John Wayne Casserole with Flaky Biscuit Crust
John Wayne casserole is a hearty, all-in-one dinner that layers seasoned beef, a creamy sour cream center, and a golden biscuit crust. It bakes up bubbly and brown in about half an hour, and the leftovers hold up well for lunch the next day.

If you are after a reliable weeknight bake that works the first time, this one belongs in your recipe box. No side dishes required.
What Makes This Casserole a Keeper
This casserole nails the kind of comfort food that actually tastes like you spent more time on it than you did. The bottom biscuits puff up around the edges, soaking up just enough beef juices to stay tender but not soggy.
The middle layer is where the tang happens; sour cream and mayonnaise meld with melted cheddar to create a creamy, almost quiche-like bite. It is rich without being heavy, and the biscuit pieces on top turn wonderfully crisp beneath a crown of crunchy fried onions.
Ingredients

- 1 lb ground beef: 80/20 works well for flavor, but you can use leaner.
- 1 small yellow onion, diced
- 1 green bell pepper, diced
- 1 packet (1 oz) taco seasoning: or 2 tbsp of a homemade blend
- 1 can (10 oz) diced tomatoes with green chiles, drained: draining keeps the crust from getting soggy
- 1/2 cup sour cream: full-fat gives the richest texture
- 1/2 cup mayonnaise: regular, not light, for the right consistency
- 2 cups shredded sharp cheddar cheese, divided: sharp cheddar stands up to the beef
- 1 can (16.3 oz) refrigerated flaky biscuits (8 count): flaky layers biscuits, not homestyle
- 1 cup crispy fried onions: the kind you find near the green beans in the store
- Salt and black pepper, to taste
Variations / Substitutions
- Swap the meat: Ground turkey or chicken works; add a drizzle of oil while browning to keep it moist.
- Dial up the heat: Use hot diced tomatoes and green chiles, or stir a diced jalapeño into the beef.
- Make it dairy-free: Use plant-based sour cream, mayonnaise, and shredded cheese alternative.
- Change the topping: Crushed tortilla chips or French-fried onions both work; the onions give the most crunch.
For another one-dish dinner, try my Taco Biscuit Bake.
How to Make John Wayne Casserole
Step 1: Brown the Beef and Veggies

Preheat your oven to 350°F (175°C). In a large skillet over medium-high heat, cook the 1 lb ground beef with the diced onion and green bell pepper, breaking the meat up as it browns. Once the beef is no longer pink, about 8 minutes, drain any excess fat. Stir in the 1 oz taco seasoning and the drained 10 oz can of tomatoes and green chiles. Let the mixture simmer for 2 minutes, until the liquid reduces slightly.
The beef should be well coated and the tomatoes dry enough that no liquid pools in the pan. That little bit of simmering keeps the bottom biscuits from turning gummy during baking. Taste and add a pinch of salt or pepper if needed.
Step 2: Stir Together the Creamy Layer

In a medium bowl, whisk together the 1/2 cup sour cream and 1/2 cup mayonnaise until smooth. Fold in 1 cup of the shredded cheddar cheese.
You want a thick, spreadable mixture with no streaks. Don’t beat it to death; just combine everything until the cheese is evenly distributed. This layer gives the casserole its tang and richness.
Step 3: Assemble the Layers

Open the 16.3 oz can of biscuits and separate them. Press each biscuit into the bottom of a greased 9×13-inch baking dish, flattening them to cover the whole bottom in a single even layer. Spoon the beef mixture over the biscuits, spreading it to the edges. Dollop the creamy mixture on top and gently spread it out. Sprinkle the remaining 1 cup cheddar evenly, then top with the 1 cup crispy fried onions.
The biscuit dough should reach the corners so the crust crisps up all the way around. Don’t worry if the seams aren’t perfect; they’ll meld together as it bakes. The onions on top will turn deep golden and crunchy.
Step 4: Bake the Casserole Until Golden

Slide the dish into the preheated oven and bake for 25 to 30 minutes. The casserole is ready when the edges are bubbly and the fried onions have turned a deep amber color. Remove it from the oven and let it rest for 5 minutes so the layers settle.
The rest time makes slicing much easier; the creamy layer firms up just enough to hold its shape. The top should be crisp and the cheese melted.
Step 5: Slice and Serve

Cut the casserole into squares and serve them warm, right from the dish. A wide spatula lifts the pieces cleanly.
A casual weeknight meal that leaves everyone full and happy, with no extra dishes to wash.
Tips for the Crispiest Biscuit Topping
- Use flaky layer biscuits, not homestyle. Their thinner layers puff up and get crispier edges than the denser biscuits.
- Bake the casserole on the middle rack so the bottom gets plenty of heat without the onions burning.
- Spoon any juices that collect from the beef over the biscuit layer before adding the creamy mixture; it soaks in while baking and adds flavor.
- If you like a thicker crust, press the biscuits just a little thinner; a single even layer is all you need, but you don’t have to stretch them paper-thin.
Bake times can shift a bit depending on your baking dish material:
| Dish Material | Size | Bake Time |
|---|---|---|
| Glass or ceramic | 9×13-inch | 25-30 mins |
| Metal | 9×13-inch | 22-27 mins (check early) |
Storing Leftover Casserole
- Refrigerate: Cover tightly and store in the fridge for up to 3 days.
- Reheat: Warm individual portions in the microwave, or reheat the whole dish in a 350°F oven for about 10 to 15 minutes. The crust will stay crisper in the oven.
What to Serve With John Wayne Casserole
A crisp green salad dressed with a tangy lime vinaigrette cuts through the richness nicely. For a heartier side, try Mexican-style street corn; the charred kernels add a smoky sweetness that plays well with the taco seasoning in the beef.
Frequently Asked Questions
Can I assemble this casserole ahead of time?
Yes. Assemble the layers up to 24 hours in advance, but wait to add the crispy onions until right before baking so they stay crunchy.
Can I freeze John Wayne casserole?
Yes. Bake and cool it completely, then wrap tightly and freeze for up to 2 months. Thaw overnight in the fridge and reheat in the oven.
Can I use homemade biscuit dough instead of canned?
Yes. Roll out your favorite biscuit dough to about 1/4 inch thick and press it into the pan just like the canned version.
What if I don’t have crispy fried onions?
Substitute an equal amount of crushed tortilla chips tossed with a tablespoon of melted butter for a similar crunchy topping.

Ingredients
Method
- Preheat oven to 350°F (175°C). Brown ground beef, onion, and bell pepper in a skillet over medium-high heat, about 8 minutes; drain fat. Stir in taco seasoning and drained tomatoes; simmer 2 minutes.
- In a bowl, combine sour cream, mayonnaise, and 1 cup of the cheddar.
- Press biscuit dough into a greased 9×13-inch baking dish. Layer beef mixture, then creamy mixture, remaining cheddar, and fried onions.
- Bake 25-30 minutes until bubbly and golden. Let rest 5 minutes.
- Slice into squares and serve warm.
