Taco Bake Casserole layers seasoned ground beef, black beans, corn, tomatoes, tortillas, enchilada sauce, and melted cheese in one satisfying dinner. It has the savory flavor of beef tacos with a softer, scoopable texture and crisp, golden cheese around the edges.
The beef filling can be prepared ahead, making final assembly quick on a busy evening. After baking, let the casserole rest for 10 minutes so the layers settle and hold together when served.
Recipe at a Glance
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Additional Time: 10 minutes
- Total Time: 1 hour 10 minutes
- Yield: 1 casserole, 8 portions
- Difficulty: Easy
Why You'll Love This Recipe
- Browning the beef before assembly removes excess moisture and develops a deeper savory flavor.
- Black beans and corn add substance and texture without requiring additional meat.
- Enchilada sauce moistens the tortillas so the layers become tender without turning soupy.
- Dividing the cheese between the layers distributes flavor throughout the casserole instead of concentrating it only on top.
- Resting the casserole after baking allows the sauce and melted cheese to settle for cleaner portions.
Equipment Needed
- 9 x 13-inch (23 x 33 cm) baking dish
- 12-inch skillet
- Wooden spoon or heat-resistant spatula
- Colander
- Chef’s knife and cutting board
- Aluminum foil
Ingredients You'll Need
For the Beef Filling
- ■ 1 tablespoon (15 ml) olive oil
- ■ 1 medium yellow onion, about 6 ounces (170 g), diced
- ■ 1 medium red bell pepper, about 5 ounces (140 g), seeded and diced
- ■ 1 1/4 pounds (565 g) lean ground beef
- ■ 3 garlic cloves, minced
- ■ 2 tablespoons (18 g) taco seasoning
- ■ 1/2 teaspoon fine salt
- ■ 1 can (15 ounces/425 g) black beans, drained and rinsed
- ■ 1 cup (150 g) frozen corn, unthawed
- ■ 1 can (10 ounces/283 g) diced tomatoes with green chiles, undrained
For Assembly
- ■ 2 cups (480 ml) red enchilada sauce, divided
- ■ 8 small flour tortillas, 6 inches (15 cm) each
- ■ 3 cups (340 g) shredded Mexican-style cheese blend, divided
- ■ Nonstick cooking spray, for the baking dish
Optional Garnishes
- ■ 1/2 cup (120 g) sour cream, optional
- ■ 1 medium avocado, diced, optional
- ■ 2 green onions, thinly sliced, optional
- ■ 1/4 cup (10 g) chopped fresh cilantro, optional
- ■ 1 medium lime, cut into wedges, optional
How to Make Cheesy Taco Bake Casserole
Preheat the Oven
Preheat the oven to 375°F (190°C). Lightly coat a 9 x 13-inch (23 x 33 cm) baking dish with nonstick cooking spray. This step ensures that the casserole won’t stick to the dish, making it easier to serve later.
Cook the Vegetables
Heat the olive oil in a 12-inch skillet over medium heat. Add the diced onion and bell pepper. Cook for 4 to 5 minutes, stirring occasionally, until the onion becomes translucent and the pepper begins to soften. This will enhance the flavor of the vegetables and provide a good base for the beef.
Brown the Ground Beef
Add the ground beef to the skillet. Cook for 6 to 8 minutes, breaking it into small crumbles, until no pink remains and the beef reaches 160°F (71°C). Properly browning the beef adds depth of flavor and ensures it is fully cooked.
Drain Excess Fat
If a noticeable amount of grease remains in the skillet, carefully drain it before continuing. Leaving too much fat can make the finished casserole oily, which can affect the overall texture and flavor.
Season the Filling
Return the skillet to medium heat. Add the garlic, taco seasoning, and salt. Cook for 30 seconds, stirring constantly, until fragrant and evenly distributed. This step infuses the beef with robust flavors that are characteristic of taco seasoning.
Add the Beans, Corn, and Tomatoes
Stir in the black beans, frozen corn, and undrained diced tomatoes with green chiles. Cook for 3 to 4 minutes, until the corn is hot and the mixture looks moist but not watery. This ensures that the filling has a good texture and flavor balance.
Add the First Layer of Sauce
Spread 1/2 cup (120 ml) of the enchilada sauce evenly across the bottom of the prepared baking dish. This layer helps to keep the tortillas moist and adds flavor to the base of the casserole.
Create the First Tortilla Layer
Arrange 4 tortillas over the sauce, overlapping and trimming them as needed to cover most of the dish. Small gaps are acceptable. This layering technique helps create a cohesive structure for the casserole.
Add the First Filling Layer
Spread half of the beef mixture evenly over the tortillas. Spoon 1/2 cup (120 ml) enchilada sauce over the filling, then sprinkle with 1 cup (115 g) of the shredded cheese. This ensures that each layer is flavorful and contributes to the overall taste of the casserole.
Repeat the Layers
Arrange the remaining 4 tortillas over the cheese. Top with the remaining beef mixture and another 1/2 cup (120 ml) enchilada sauce. This repetition builds the structure and flavor of the casserole.
Finish with Cheese
Sprinkle the remaining 2 cups (225 g) shredded cheese evenly over the casserole. Drizzle the final 1/2 cup (120 ml) enchilada sauce lightly across the top. This creates a delicious cheesy crust that will brown nicely in the oven.
Bake Covered
Cover the baking dish loosely with aluminum foil. Bake for 20 minutes, until the casserole is hot through the center and the sauce is bubbling around the edges. Covering helps to steam the tortillas, making them soft.
Brown the Top
Remove the foil and bake for another 8 to 10 minutes. The cheese should be fully melted with a few golden spots. This step adds a nice texture and visual appeal to the dish.
Check the Center
Insert an instant-read thermometer into the middle of the casserole. The center should reach at least 165°F (74°C). This ensures that the casserole is safely cooked and heated throughout.
Rest Before Serving
Remove the casserole from the oven and let it rest uncovered for 10 minutes. The bubbling should subside, and the layers should become easier to portion. Resting is crucial for maintaining the structure of the casserole when serving.
Garnish and Serve
Cut or scoop the casserole into eight portions. Serve with sour cream, diced avocado, green onions, cilantro, and lime wedges as desired. These garnishes add freshness and enhance the overall flavor profile of the dish.
Tips for Success
- Overlap and trim the tortillas to fit the pan rather than stacking them too thickly in one area.
- Cover the casserole during the first part of baking so the tortillas soften before the cheese browns.
- Let the casserole rest for the full 10 minutes to help the portions hold their shape.
- Add avocado, sour cream, and other cold garnishes only after baking.
Storage, Freezing, and Make-Ahead Instructions
Cool leftover Taco Bake Casserole promptly and transfer it to an airtight container within 2 hours of cooking. Refrigerate for up to 4 days. Store fresh garnishes separately.
Reheat individual portions in the microwave until the center reaches 165°F (74°C). For a larger portion, cover it with foil and reheat at 350°F (175°C) for 20 to 25 minutes, removing the foil near the end if the cheese needs to firm.
To freeze the baked casserole, cool it completely and divide it into portions. Wrap each portion securely and place it in a freezer-safe container for up to 2 months. Thaw overnight in the refrigerator before reheating.
For make-ahead preparation, cook the beef filling up to 2 days in advance and refrigerate it in an airtight container. The complete casserole can also be assembled, covered, and refrigerated for up to 24 hours. Add approximately 5 to 10 minutes to the covered baking time when baking directly from the refrigerator.
FAQ
Can I make Taco Bake Casserole ahead of time?
Yes. Assemble the casserole up to 24 hours before baking, cover it tightly, and refrigerate it. Bake it directly from the refrigerator, allowing several additional minutes for the center to become fully hot.
Can I use corn tortillas?
Yes. Use 10 to 12 small corn tortillas, warming them first so they remain flexible. The casserole will have a firmer texture and a more noticeable corn flavor.
Why is my taco casserole watery?
The beef may not have been drained, or the filling may have contained too much liquid. Simmer the filling until excess moisture evaporates before assembling the casserole.
Can I make this casserole without beef?
Yes. Replace the beef with an additional can of drained black beans and 8 ounces (225 g) of finely chopped mushrooms. Cook the mushrooms with the onion and bell pepper until their moisture evaporates.
Can I make Taco Bake Casserole spicier?
Use hot taco seasoning, medium or hot enchilada sauce, or add one finely diced jalapeño with the bell pepper. Hot sauce can also be served on the side.
Cheesy Taco Bake Casserole
Ingredients
Method
- Preheat the oven: Preheat the oven to 375°F (190°C). Lightly coat a 9 x 13-inch (23 x 33 cm) baking dish with nonstick cooking spray.
- Cook the vegetables: Heat the olive oil in a 12-inch skillet over medium heat. Add the diced onion and bell pepper. Cook for 4 to 5 minutes, stirring occasionally, until the onion becomes translucent and the pepper begins to soften.
- Brown the ground beef: Add the ground beef to the skillet. Cook for 6 to 8 minutes, breaking it into small crumbles, until no pink remains and the beef reaches 160°F (71°C).
- Drain excess fat: If a noticeable amount of grease remains in the skillet, carefully drain it before continuing. Leaving too much fat can make the finished casserole oily.
- Season the filling: Return the skillet to medium heat. Add the garlic, taco seasoning, and salt. Cook for 30 seconds, stirring constantly, until fragrant and evenly distributed.
- Add the beans, corn, and tomatoes: Stir in the black beans, frozen corn, and undrained diced tomatoes with green chiles. Cook for 3 to 4 minutes, until the corn is hot and the mixture looks moist but not watery.
- Add the first layer of sauce: Spread 1/2 cup (120 ml) of the enchilada sauce evenly across the bottom of the prepared baking dish.
- Create the first tortilla layer: Arrange 4 tortillas over the sauce, overlapping and trimming them as needed to cover most of the dish. Small gaps are acceptable.
- Add the first filling layer: Spread half of the beef mixture evenly over the tortillas. Spoon 1/2 cup (120 ml) enchilada sauce over the filling, then sprinkle with 1 cup (115 g) of the shredded cheese.
- Repeat the layers: Arrange the remaining 4 tortillas over the cheese. Top with the remaining beef mixture and another 1/2 cup (120 ml) enchilada sauce.
- Finish with cheese: Sprinkle the remaining 2 cups (225 g) shredded cheese evenly over the casserole. Drizzle the final 1/2 cup (120 ml) enchilada sauce lightly across the top.
- Bake covered: Cover the baking dish loosely with aluminum foil. Bake for 20 minutes, until the casserole is hot through the center and the sauce is bubbling around the edges.
- Brown the top: Remove the foil and bake for another 8 to 10 minutes. The cheese should be fully melted with a few golden spots.
- Check the center: Insert an instant-read thermometer into the middle of the casserole. The center should reach at least 165°F (74°C).
- Rest before serving: Remove the casserole from the oven and let it rest uncovered for 10 minutes. The bubbling should subside, and the layers should become easier to portion.
- Garnish and serve: Cut or scoop the casserole into eight portions. Serve with sour cream, diced avocado, green onions, cilantro, and lime wedges as desired.
