
This healthy canned chicken casserole is a gluten-free, dairy-free dinner the whole family will love. Ready in under an hour with simple clean-eating ingredients.

Let's be honest: most of us have a few cans of chicken sitting in the pantry right now, quietly waiting for a purpose. This easy canned chicken casserole is exactly the recipe they deserve. It's hearty, deeply flavorful, and comes together with minimal prep, making it one of those healthy dinner casseroles that actually earns a permanent spot in your weekly rotation.
This is a gluten-free, dairy-free casserole packed with lean protein, fiber-rich black beans, colorful vegetables, and wholesome brown rice. It hits every note of a clean-eating casserole: satisfying without being heavy, bold without being complicated, and nourishing without tasting like diet food.
Whether you are feeding a hungry family on a Tuesday night or meal-prepping for the week ahead, this dish delivers every single time.
There is a reason healthy chicken casseroles are such a beloved category in clean-eating cooking. They are the ultimate one-dish meal. Everything bakes together, the flavors meld beautifully in the oven, and cleanup is refreshingly minimal.
What makes this particular version stand out:
Chef's Tip: Do not skip blooming the spices in the skillet before adding the wet ingredients. That 30-second step in hot oil unlocks a depth of flavor you simply cannot get by dumping everything in raw.
One of the hallmarks of a great clean eating casserole recipe is that the ingredient list reads like real food, not a chemistry experiment. Here is what goes into this dish and why each component earns its place:
Using quality pantry staples and a good heavy-duty baking dish makes a noticeable difference in how evenly this casserole cooks. The right tools and the right brands genuinely elevate even the simplest clean-eating casserole recipes.
The process is wonderfully straightforward and follows three simple stages: a quick sauté on the stovetop, a stir-together moment, and then the oven does the rest of the work.
Start by softening the onion, garlic, and bell pepper in a little olive oil. This aromatic base is the backbone of the whole dish. Once the vegetables are tender, bloom your spices directly in the pan. You will know it is working when the kitchen starts smelling incredible.
Add the canned chicken, beans, corn, tomatoes, and broth to the skillet and stir until everything is coated in those warm, smoky spices. Fold in your cooked brown rice and then transfer the whole gorgeous mixture into your prepared baking dish.
Chef's Tip: If your mixture looks slightly dry at this stage, add an extra splash of broth, about 2 to 3 tablespoons. The rice continues to absorb liquid as it bakes.
Covering the dish with foil for the first 20 minutes locks in steam and ensures the rice finishes cooking through without drying out. Removing the foil for the final 10 minutes gives you those slightly golden, caramelized edges that make this healthy dinner casserole look as good as it tastes.
Ready to bring it all together? Here is the full recipe:

This healthy canned chicken casserole is a gluten-free, dairy-free dinner the whole family will love. Ready in under an hour with simple clean-eating ingredients.
Preheat your oven to 375 degrees F (190 degrees C). Lightly grease a 9x13-inch baking dish with a small amount of olive oil or cooking spray.
Cook the brown rice according to package directions. While it cooks, prepare the remaining ingredients.
Heat 2 tablespoons of olive oil in a large skillet over medium heat. Add the diced onion and cook for 4 to 5 minutes, stirring occasionally, until softened and translucent.
Add the minced garlic and diced red bell pepper to the skillet. Cook for another 2 to 3 minutes until fragrant and the pepper begins to soften.
Stir in the chili powder, cumin, garlic powder, smoked paprika, salt, and black pepper. Cook for 30 seconds, stirring constantly, to bloom the spices.
Add the drained canned chicken, black beans, corn, diced tomatoes with green chiles, and chicken broth to the skillet. Stir everything together until well combined and heated through, about 2 to 3 minutes.
Remove from heat. Fold in the cooked brown rice until evenly distributed throughout the mixture.
Transfer the entire mixture into your prepared baking dish and spread it into an even layer.
Cover the dish tightly with aluminum foil and bake for 20 minutes.
Remove the foil and bake for an additional 10 minutes uncovered, until the top is lightly golden and the edges are bubbling.
Remove from the oven and let the casserole rest for 5 minutes before serving. Garnish with fresh cilantro and serve with lime wedges on the side.
This casserole is a complete meal on its own, but a few simple sides take it over the top. Try it alongside:
One of the best things about healthy gluten-free casserole recipes like this one is how flexible they are. A few ideas to make it your own:
This is one of those healthy dinner casseroles clean eating fans turn to for meal prep because it reheats so well. Make a full batch on Sunday and enjoy lunches and dinners throughout the week with practically zero effort. It also freezes in individual portions, making it a lifesaver on those nights when cooking simply is not happening.