A hearty, layered casserole packed with savory ground beef, vegetables, and cheesy goodness, John Wayne Casserole is perfect for family dinners or potlucks. Its flaky biscuit base, creamy topping, and bold flavors make it a satisfying comfort dish.

Ingredients
Biscuit Base:
- 1 (16-ounce) can refrigerated large biscuits or homemade
Beef Layer:
- 2 tablespoons olive oil, divided
- 2 pounds ground beef (preferably 85% lean)
- 3 tablespoons taco seasoning (or 1-ounce packet)
- ½ teaspoon salt (optional, only if taco seasoning is salt-free)
- ¼ cup water
- 1 (14-ounce) can ROTEL diced tomatoes & green chilies
- 1 (14-ounce) can corn, drained (or 2 cups frozen/fresh corn)
Vegetables:
- 1 medium yellow onion, sliced
- 1 medium red bell pepper, sliced
Topping:
- ½ cup mayonnaise
- ½ cup sour cream
- 1 tablespoon onion powder
- 1 cup shredded mild cheddar cheese
- 1 cup shredded mozzarella cheese
Garnish:
- Chopped fresh parsley
Instructions
1. Prepare the Biscuit Base
- Preheat oven to 350°F (180°C). Spray a 9×13-inch casserole dish with non-stick cooking spray.
- Press the biscuits into the bottom of the pan so they overlap and cover the surface. Bake for 15 minutes.
2. Cook the Beef Layer
- In a skillet, heat 1 tablespoon olive oil over medium heat. Add the ground beef and cook until browned, breaking it apart as it cooks. Drain excess fat.
- Season with taco seasoning (add salt if needed) and stir in water. Cook 3–4 minutes.
- Stir in ROTEL tomatoes and corn, cooking until just warmed. Pour the beef mixture over the baked biscuit layer.
3. Sauté the Vegetables
- Wipe the skillet clean and heat the remaining tablespoon of olive oil.
- Sauté onion and red bell pepper for about 2 minutes until slightly tender but still firm. Season lightly with salt.
- Layer the vegetables over the beef in the casserole dish.
4. Prepare and Add Topping
- In a bowl, combine mayonnaise, sour cream, onion powder, and half of the cheddar and mozzarella cheeses. Spread evenly over the vegetables.
- Sprinkle the remaining cheeses on top.
5. Bake and Serve
- Bake for 20–30 minutes, or until the cheeses are melted and lightly browned.
- Remove from oven and garnish with fresh parsley before serving.
Why You’ll Love This Recipe
- Combines savory beef, vegetables, and cheese in every bite.
- Flaky biscuit base adds a comforting texture.
- Easy to assemble and customize for your family’s taste.
- Perfect for potlucks, weeknight dinners, or meal prep.

Tips
- Press biscuits tightly for a uniform base.
- Use lean ground beef to reduce grease.
- Lightly sauté vegetables so they retain some crunch.
- Allow casserole to cool slightly before serving for cleaner slices.
Variations and Substitutions
- Protein swaps: Use ground turkey, chicken, or plant-based meat.
- Vegetables: Add zucchini, mushrooms, or green beans for extra nutrition.
- Cheese: Try pepper jack for a spicy kick.
- Toppings: Mix in some salsa or hot sauce for bolder flavor.
FAQs
Can I use frozen biscuits?
Yes, just thaw slightly before pressing into the pan.
Can this be made ahead of time?
Assemble the casserole a few hours in advance and refrigerate. Bake just before serving.
Can I freeze leftovers?
Yes, freeze in an airtight container for up to 2 months. Reheat in the oven for best texture.
Is it possible to make this gluten-free?
Use gluten-free biscuits and ensure your taco seasoning is gluten-free.
Serving and Suggestions
- Serve with salsa, hot sauce, or sour cream on the side.
- Pair with a simple salad or roasted vegetables for a complete meal.
- Great for brunch, family dinner, or potluck gatherings.








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