Ultimate Gluten-Free Dairy-Free King Ranch Chicken Casserole: A Rich and Creamy Tex-Mex Delight
For over 25 years, since my journey with a milk allergy began, I’ve yearned for those comforting, cheesy, and creamy chicken casseroles that defined so many meals. It’s a craving I’ve finally conquered with this incredible Gluten-Free Dairy-Free Chicken Casserole. This isn’t just a recipe; it’s a perfected remake of the beloved classic King Ranch Chicken, meticulously crafted to deliver all the flavor and texture you adore, without any dairy or gluten. Your family will absolutely love this hearty, flavorful dish.

Crafting the Perfect Gluten-Free Dairy-Free King Ranch Chicken Casserole
My first encounter with King Ranch Chicken was after moving to Texas. A dear friend and client would often bring leftovers to the office, and the tantalizing aroma – combined with her sheer enjoyment – immediately inspired me. I was determined to recreate this iconic Tex-Mex dish, but with a crucial dairy-free adaptation. After much experimentation, I finally “nailed” it, and this casserole has since become a cherished comfort food staple in our home. I’ve proudly shared it with friends and neighbors, all of whom have raved about its authentic taste and creamy texture, never suspecting it’s entirely dairy and gluten-free.
Featured feedback from a reader who has made this recipe
“I made this for my dairy-free mom and it is better than any full dairy King Ranch Chicken I have ever had or made. Thanks for perfecting it!“
Why You’ll Love This Dairy-Free King Ranch Chicken Casserole
This isn’t just another casserole; it’s a culinary triumph that brings joy to every plate. Here’s why this dairy-free and gluten-free chicken casserole will quickly become a favorite in your household:
- Incredibly Creamy & Comforting: Despite being dairy-free, this casserole achieves a luxuriously creamy texture that is deeply satisfying and reminiscent of classic comfort food. The homemade “cheese” sauce is the secret weapon, creating a rich, savory base that coats every bite of chicken and tortilla, making it utterly irresistible. It’s the kind of dish that warms you from the inside out.
- Perfect for Potlucks and Family Gatherings: This casserole is a true crowd-pleaser, making it an ideal choice for any social occasion. Whether you’re bringing it to a potluck, preparing a meal for friends in need, or simply feeding your family on a busy weeknight, its robust flavors and hearty nature guarantee satisfaction. I’ve personally made it for various events – from comforting grieving neighbors to festive family dinners – and it has consistently received rave reviews from everyone, regardless of their dietary preferences.
- Truly Allergy-Friendly, Without Compromise: The best part about this recipe is that it’s completely gluten-free and dairy-free, yet absolutely no one can tell! The carefully selected ingredients and cooking techniques ensure that the flavor and texture are indistinguishable from their traditional counterparts. This means those who can eat dairy or gluten will enjoy it just as much as those with dietary restrictions, making it a versatile dish for any table.
- A Healthy Twist on a Tex-Mex Favorite: By opting for dairy-free and gluten-free ingredients, this casserole offers a healthier alternative to a classic dish. You get to indulge in all the vibrant Tex-Mex flavors you love, knowing it aligns with a healthier lifestyle or specific dietary needs, without sacrificing an ounce of deliciousness.
Essential Ingredients for this Hearty Gluten-Free Dairy-Free Comfort Food
Crafting this incredible casserole starts with a selection of fresh, high-quality ingredients. Here’s what you’ll need to bring this dairy-free King Ranch Chicken to life:

- Boneless, Skinless Chicken Breasts: We’ll boil and shred these to create tender, succulent chicken that easily absorbs all the casserole’s amazing flavors.
- Corn Tortillas: Naturally gluten-free, corn tortillas form the foundational layers of our casserole, providing structure and an authentic Tex-Mex touch. If gluten isn’t a concern for you or your guests, you can certainly substitute flour tortillas.
- Can of Ro-Tel Tomatoes & Chiles (Original): This iconic ingredient adds a crucial punch of flavor, heat, and moisture from diced tomatoes and green chilies. It’s essential for that signature King Ranch taste.
- Aromatic Spices and Vegetables:
- Garlic, Onion, Jalapeno: Freshly minced garlic, chopped onion, and diced jalapeno form the aromatic base, building layers of savory depth and a pleasant warmth.
- Chili Powder, Garlic Powder, Cumin, Cayenne Pepper: This blend of spices is carefully chosen to create a rich, authentic Tex-Mex flavor profile. I highly recommend using Penzy’s ancho chile pepper powder for chili powder for an exceptional flavor. Adjust the cayenne pepper to control the heat level – more for a spicier kick, less for a milder dish.
- Dairy-Free Cheddar “Cheese” Shreds: This is where the magic happens! High-quality dairy-free cheddar shreds (I’ve had great success with brands like Daiya) melt beautifully to create that classic cheesy texture without any dairy. You’ll need about 2 cups total for the casserole, one for the sauce and one for the topping.
- Garnishings (Optional): Fresh cilantro, sliced avocado, and a squeeze of lime juice add brightness and a burst of fresh flavor, elevating the finished dish.
Homemade “Cheese” Sauce Ingredients:
The creamy, dairy-free “cheese” sauce is what truly transforms this casserole. Here’s what you’ll need for this essential component:
- Organic, Gluten-Free Chicken Broth: Always double-check labels to ensure your chicken broth is certified dairy-free and gluten-free, as not all brands are. It forms the savory base of our sauce.
- Plant-Based Milk: One cup of unsweetened plant-based milk works perfectly. I prefer unsweetened almond milk as it has a neutral flavor that doesn’t overpower the other ingredients. Ensure it’s plain and not flavored with vanilla.
- Dairy-Free Cheddar “Cheese” Shreds: This provides the cheesy richness and texture to the sauce.
- Corn Starch: Our thickener! Corn starch creates a smooth, velvety consistency for the sauce, ensuring it’s luxuriously creamy.
- Sea Salt: A touch of sea salt balances and enhances all the flavors in the sauce.
Quick Note on Substitutions: If you or your guests do not have dairy restrictions, you can easily substitute real milk and real cheddar cheese in place of the dairy-free alternatives for the “cheese” sauce and the casserole topping. This recipe is wonderfully adaptable!

Make this Dairy-Free King Ranch Chicken Recipe: Step-by-Step Instructions
Follow these detailed steps to create a truly unforgettable King Ranch Chicken Casserole:

- Step 1: Prepare the Chicken. Begin by placing your boneless, skinless chicken breasts in a pot of water. Bring to a low boil (poach) and cook for 15-20 minutes, or until the chicken is thoroughly cooked and pulls apart easily with a fork. Once cooked, remove the chicken from the pan and set aside to cool slightly before shredding.
- While the chicken is cooking, seize the opportunity to multi-task! Preheat your oven to 375 degrees F and proceed with steps 2-4 to get ahead.
- Step 2: Chop and Saute Vegetables. Mince your garlic, chop the onion, and dice the jalapeño. Heat a large skillet (you’ll need its generous size later for mixing everything) over medium heat with a little olive oil. Add the chopped garlic, onion, and jalapeño to the skillet and sauté until they are softened and fragrant, about 5-7 minutes.
- Step 3: Add Ro-Tel and Spices. To the sautéed vegetables in the skillet, add the entire can of Ro-Tel tomatoes & chiles (undrained) and all your spices: chili powder, garlic powder, cumin, and cayenne pepper. Stir well to combine, allowing the flavors to meld. Remove from heat and set aside.
- Step 4: Craft the Homemade “Cheese” Sauce. In a separate medium-sized pot, heat the organic, gluten-free chicken broth and plant-based milk over medium-high heat. Gradually whisk in the corn starch until the mixture begins to thicken into a smooth consistency. Reduce the heat to low, then add the dairy-free cheddar “cheese” shreds and sea salt. Stir continuously until the “cheese” shreds are completely melted and the sauce is smooth and creamy. Remove from heat immediately once melted.

- Step 5: Combine Chicken and Sauce. Once the cooked chicken has cooled sufficiently, shred it into bite-sized pieces. Add the shredded chicken to the large skillet containing the sautéed vegetables and Ro-Tel mixture. Pour the freshly made “cheese” sauce over everything in the skillet. Mix thoroughly until all the chicken and vegetables are evenly coated in the rich sauce.
- Step 6: Prepare the Casserole Dish and First Tortilla Layer. Lightly spray a 9×13 inch casserole dish with cooking oil. Arrange a single layer of corn tortillas on the bottom of the dish, tearing them in half as needed to fit snugly and cover the entire base. Place the dish in the preheated 375°F oven for 4-5 minutes to slightly crisp up the tortillas. This helps prevent them from becoming soggy in the finished casserole.

- Steps 7-10: Layer the Casserole. Remove the casserole dish from the oven. Spread half of the chicken, vegetable, and sauce mixture evenly over the first layer of slightly crisped tortillas. Add another layer of corn tortillas on top of the chicken mixture. Then, spread the remaining half of the chicken, vegetable, and sauce mixture over this second tortilla layer. Finally, sprinkle 1 cup of dairy-free “cheese” shreds generously over the very top of the casserole. You can add a bit more cheese here if you love a super cheesy topping!
- Steps 11-12: Bake and Serve. Place the assembled casserole back into the 375°F oven and bake for 20 minutes, or until the “cheese” is melted and bubbly, and the casserole is heated through. Once baked, carefully remove from the oven, slice into generous sections, and serve warm. Garnish with fresh cilantro, sliced avocado, and a squeeze of lime juice for an extra burst of flavor. Enjoy your delicious homemade dairy-free and gluten-free King Ranch Chicken Casserole!

Frequently Asked Questions (FAQs)
Can I use a rotisserie chicken instead?
Absolutely! Using a pre-cooked rotisserie chicken is a fantastic time-saver. You’ll need approximately 4 cups of shredded cooked chicken to substitute for the 2 pounds of boneless, skinless chicken breasts that are boiled in the recipe. Simply shred the rotisserie chicken and incorporate it directly into Step 5. This can significantly cut down on your prep time without compromising flavor.
Can I use a store-bought queso sauce instead of making my own?
Yes, you can certainly use a store-bought dairy-free queso sauce if you prefer. However, be mindful that many pre-made options tend to be quite thick. Depending on the brand you choose, you might need to thin it out a bit with a splash of plant-based milk or even some chicken broth to achieve the ideal consistency for coating the chicken and vegetables evenly in the casserole.
Can I meal prep this ahead of time?
This recipe is wonderfully suited for meal preparation! You can cook the chicken, sauté the vegetables, and prepare the dairy-free “cheese” mixture up to 3-4 days in advance. Store each component separately in airtight containers in the refrigerator. For the best results and freshest taste, I highly recommend assembling the layers and baking the casserole on the day you plan to serve it. This ensures the tortillas don’t get too soft and the cheese topping is perfectly melted and golden.
Can I freeze this gluten-free, dairy-free casserole?
Yes, this casserole freezes beautifully, making it an excellent option for future meals. You can prepare the entire casserole as directed, allow it to cool completely after baking, and then freeze it. For convenience, consider baking it in a freezer-safe, oven-safe glass casserole dish (such as Pyrex). This allows you to freeze and then reheat it directly in the same dish. When you’re ready to enjoy it, simply thaw the casserole overnight in the refrigerator and reheat it in the oven at 350°F (175°C) until it is thoroughly warmed through and bubbly.
What are the best dairy-free cheese alternatives for this recipe?
For this King Ranch Chicken Casserole, the key is to use dairy-free cheddar shreds that melt well and have a mild flavor that complements the Tex-Mex spices. Brands like Daiya, Violife, and Follow Your Heart typically offer great melting performance and a good cheddar flavor that works perfectly in casseroles. Experiment with a few brands to find your personal favorite, as textures and tastes can vary slightly. Ensure you choose shreddable cheese alternatives for the best results in both the sauce and the topping.
Looking for More Dairy-Free Comfort Food Recipes?
If you loved this dairy-free and gluten-free King Ranch Chicken Casserole, you’ll be thrilled to discover more delicious and comforting recipes that cater to dietary needs without sacrificing flavor. Explore these other fantastic dairy-free dishes:
- Dairy-Free Chicken Pot Pie: A classic comfort dish reimagined to be rich, creamy, and entirely dairy-free.
- Easy Potato Corn Chowder: A hearty and warming soup, perfect for a cozy night in, free of dairy.
- Red Thai Curry Gnocchi: An unexpected fusion of flavors, combining soft gnocchi with aromatic red Thai curry.
- Sloppy Joe Biscuit Cups: Fun, easy, and family-friendly, these biscuit cups are a dairy-free take on a beloved favorite.
- Chicken Curry Pasta: A vibrant and flavorful pasta dish with tender chicken and aromatic curry spices.
- Instant Pot Rosemary Chicken and Vegetables: A simple yet elegant one-pot meal, perfect for a wholesome dinner.
If you tried this King Ranch Dairy Free Chicken Casserole or any other recipe on my blog, please leave a 🌟 star rating and let me know how it went in the comments below! Your feedback helps me create even better recipes!

Dairy-Free Gluten-Free King Ranch Chicken Casserole
Kelly Kirkendoll
Pin Recipe
Equipment
- 1 Whisk
- 1 medium sized pot
- 1 9×13 baking dish
Ingredients
- 2 pounds boneless skinless chicken breasts
- 10-12 corn tortillas
- 1 10 oz. can of Ro-Tel tomatoes & chiles (original)
- 2 cloves garlic, minced
- 1 large onion, chopped
- 2 Tbsp chopped jalapeno pepper
- 2 tsp chili powder (my fav is Penzy’s ancho chile pepper powder)
- 1 tsp garlic powder
- 1 tsp cumin
- 1/2 tsp cayenne pepper
- 1 cup dairy-free cheddar “cheese” shreds (I usee Daiya) (you will need a total of 2 cups for this recipe; 1 for the cheese sauce; 1 for the top of the casserole, although you can use more for the top if preferred) If dairy isn’t an issue, you can use real cheese
- salt and pepper to taste
“Cheese” Sauce
- 1 cup organic, gluten-free chicken broth
- 1 cup a plant-based milk (I use unsweetened almond) (make sure it’s plain without vanilla)
- 1 cup dairy-free cheddar “cheese” shreds
- 2 1/2 Tbsp corn starch
- 1/4 tsp sea salt
Instructions
- Poach (low boil) the chicken in a pot of water until cooked through (15-20 minutes)
- Chop vegetables and mince the garlic; saute them in olive oil in a large pan (use a large one – you’ll be adding the chicken and sauce to this later)
- Add the spices and can of Ro-Tel; mix then set aside
- To make the cheese sauce, heat the chicken broth and “milk” on medium high; whisk in the corn starch until thick; lower the heat and add the “cheese” shreds and salt; once the shreds are melted, remove from the heat
- Preheat oven to 375 degrees F
- Spray a 9×13 glass baking dish with olive oil cooking spray
- Put one layer of tortillas on the bottom and heat in oven for 4-5 minutes to get them slightly crisp (tear them in half as needed to create 1 layer)
- Once the chicken is done, drain the hot water out of the pot and run cold water in the pot to cool the chicken; when cool enough; shred the chicken and put into the large saucepan with the vegetables.
- Add the sauce to the large pan with the chicken and veggies and mix thoroughly.
- Pour half of the chicken/veggie/sauce mixture over the first layer of tortillas
- Add another layer of tortillas
- Pour the rest of the chicken/veggie/sauce mixture over the second layer of tortillas
- Add 1 cup of “cheese” shreds to the top
- Bake for 20 minutes on 375; cut and plate. Garnish with lemon, cilantro and/or avocado as you prefer. Enjoy!
Notes
No dairy issues? If those eating this don’t have a dairy allergy or lactose intolerance, you can substitute real milk and real cheese where the recipe calls for dairy-free milk and cheese options.
