Quick Recipe Version (TL;DR)
Quick Ingredients
- 1 tbsp oil
- 1 medium onion, finely diced
- 3 cloves garlic, minced
- 2 lb ground beef (85–90% lean)
- 2 tbsp taco seasoning, 1 tsp ground cumin, 1/2 tsp smoked paprika, salt & pepper
- 1 (15-oz) can black beans, drained & rinsed
- 1 (15-oz) can corn, drained (or 1 1/2 cups thawed frozen corn)
- 1 (10-oz) can diced tomatoes with green chiles, drained
- 1/4 cup water
- 1 cup sour cream
- 3/4 cup salsa or red enchilada sauce, divided
- 9 (8-inch) flour tortillas
- 3 cups shredded cheese (cheddar and/or Monterey Jack)
- Optional: chopped cilantro, sliced green onions, lime wedges, sliced jalapeños
Do This
- 1. Heat oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
- 2. Sauté onion in oil until soft; add garlic and cook 30 seconds. Add ground beef and cook until browned, breaking it up, then drain excess fat.
- 3. Stir in taco seasoning, cumin, smoked paprika, salt, pepper, beans, corn, tomatoes, and 1/4 cup water. Simmer 5–7 minutes until thick.
- 4. In a bowl, mix sour cream with 1/4 cup salsa or enchilada sauce. Warm tortillas briefly so they are pliable.
- 5. Spread 1/4 cup salsa/enchilada sauce in the dish. Layer: 3 tortillas, 1/3 beef mixture, 1/3 sour cream mixture (dolloped and spread), 1 cup cheese.
- 6. Repeat to make 3 full layers, ending with cheese on top. Cover with foil and bake 25 minutes; uncover and bake 10 minutes more until bubbly and lightly browned.
- 7. Rest 10–15 minutes before slicing. Garnish with cilantro, green onions, lime wedges, and jalapeños if desired.
Why You’ll Love This Recipe
- All the flavors of beef tacos and enchiladas, baked into a cozy, sliceable casserole.
- Layered like lasagna, but faster and easier thanks to soft flour tortillas.
- Feeds a crowd and reheats beautifully for lunches or busy weeknights.
- Easy to customize: swap in different beans, veggies, or make it spicier or milder.
Grocery List
- Produce: 1 medium yellow onion, 3 cloves garlic, fresh cilantro, green onions, 1–2 limes, 1–2 fresh jalapeños (optional)
- Dairy: Sour cream, shredded cheddar cheese, shredded Monterey Jack cheese (or a Mexican blend)
- Pantry: Cooking oil, ground beef (from the meat section), flour tortillas (8-inch), canned black beans, canned corn or frozen corn, canned diced tomatoes with green chiles, taco seasoning, ground cumin, smoked paprika, salt, black pepper, salsa and/or red enchilada sauce
Full Ingredients
For the Beef, Bean & Corn Filling
- 1 tbsp olive oil or vegetable oil
- 1 medium yellow onion, finely diced (about 1 cup)
- 3 cloves garlic, minced
- 2 lb (about 900 g) ground beef, 85–90% lean
- 2 tbsp taco seasoning (store-bought or homemade)
- 1 tsp ground cumin
- 1/2 tsp smoked paprika (optional but adds great flavor)
- 3/4 tsp fine sea salt, plus more to taste
- 1/2 tsp freshly ground black pepper
- 1 (15-oz / 425 g) can black beans, drained and rinsed
- 1 (15-oz / 425 g) can corn kernels, drained (or 1 1/2 cups frozen corn, thawed and drained)
- 1 (10-oz / 283 g) can diced tomatoes with green chiles, drained (such as Rotel)
- 1/4 cup water
For the Creamy Layer
- 1 cup (240 g) sour cream
- 1/4 cup (60 g) salsa or red enchilada sauce
- 2 tbsp chopped fresh cilantro (optional, but tasty)
- 1 small pinch salt (to brighten the flavor)
For Assembling & Topping
- 9 (8-inch / 20 cm) flour tortillas
- 1/2 cup (120 g) red enchilada sauce or salsa, divided (for the bottom of the dish and drizzling on top)
- 3 cups (about 340 g) shredded cheese (a mix of sharp cheddar and Monterey Jack or a Mexican blend)
- 2 tbsp chopped fresh cilantro, for garnish
- 1–2 green onions, thinly sliced, for garnish (optional)
- Lime wedges, for serving (optional)
- Thinly sliced fresh jalapeños, for serving (optional)
Step-by-Step Instructions
Step 1: Preheat the oven and prep the pan
Set your oven to 375°F (190°C). Lightly grease a 9×13-inch (about 3-quart) baking dish with a bit of oil or non-stick spray. This helps keep the tortillas from sticking and makes cleanup much easier.
Gather and measure out all of your ingredients. Dice the onion, mince the garlic, drain and rinse the black beans, drain the corn and tomatoes, and shred the cheese if you are not using pre-shredded. Having everything ready before you start cooking makes the process smoother and more enjoyable.
Step 2: Cook the aromatics and brown the beef
In a large, deep skillet or wide saucepan, heat the 1 tbsp of oil over medium heat. Add the diced onion and cook, stirring occasionally, for 4–5 minutes until softened and translucent.
Add the minced garlic and cook for another 30 seconds, just until fragrant. Do not let the garlic brown.
Add the ground beef to the skillet. Cook, breaking it up with a spatula, for 6–8 minutes, until the meat is no longer pink. If there is a lot of excess fat in the pan, carefully spoon some off or drain briefly, leaving just a light coating for flavor.
Step 3: Season and finish the beef, bean & corn filling
Sprinkle the taco seasoning, ground cumin, smoked paprika (if using), salt, and black pepper over the browned beef and onion mixture. Stir well to coat the meat evenly in the spices and cook for 1 minute to toast the seasonings.
Add the black beans, corn, drained diced tomatoes with green chiles, and 1/4 cup water. Stir until everything is evenly combined, then bring the mixture to a gentle simmer.
Let it simmer uncovered for 5–7 minutes, stirring occasionally, until slightly thickened and not watery. You want a moist but scoopable filling. Taste and adjust seasoning with a bit more salt or pepper if needed. Turn off the heat and set the skillet aside.
Step 4: Mix the creamy layer
In a medium bowl, add the sour cream, 1/4 cup salsa or enchilada sauce, chopped cilantro (if using), and a small pinch of salt. Stir until smooth and fully combined. The mixture should be spreadable and lightly pink from the salsa or sauce.
This creamy layer melts into the tortillas and beef, making the “lasagna” extra rich and helping the layers stick together.
Step 5: Prep the tortillas and layering station
Arrange your workspace so layering is easy: place the greased baking dish in front of you. Set nearby the skillet of beef filling, the bowl of sour cream mixture, the shredded cheese, the tortillas, and the remaining 1/2 cup of salsa or enchilada sauce.
If your tortillas are a bit stiff, stack them on a plate, cover with a slightly damp paper towel, and microwave for 20–30 seconds until warm and pliable. Soft tortillas are much easier to layer and less likely to crack.
Step 6: Build the tortilla “lasagna” layers
Spoon about 1/4 cup of the salsa or enchilada sauce into the bottom of the prepared baking dish and spread it into a thin, even layer. This prevents the bottom tortillas from sticking and adds extra flavor.
First layer: Lay 3 tortillas in the dish, slightly overlapping, to cover the bottom. Tear one if needed so the whole surface is covered. Spoon about one-third of the beef, bean, and corn mixture over the tortillas and spread it into an even layer. Dollop about one-third of the sour cream mixture over the beef and gently spread it. Sprinkle with about 1 cup of shredded cheese.
Second layer: Repeat the same layering: 3 tortillas, one-third of the beef filling, one-third of the sour cream mixture, and 1 cup cheese.
Third layer: Add the final 3 tortillas, the remaining beef filling, the last of the sour cream mixture, and finish with the remaining 1 cup cheese on top. If you like, drizzle the remaining 1/4 cup salsa or sauce over the cheese for extra color and flavor.
Step 7: Bake, rest, garnish, and serve
Cover the baking dish tightly with aluminum foil, tenting it slightly so it does not press directly onto the cheese. Place in the preheated 375°F (190°C) oven and bake for 25 minutes, until the casserole is heated through and bubbling at the edges.
Carefully remove the foil and bake for another 10 minutes, or until the cheese on top is melted, lightly browned in spots, and the casserole is very bubbly.
Remove from the oven and let the beef tortilla lasagna rest for 10–15 minutes before slicing. This rest time allows the layers to set so you get cleaner slices.
Just before serving, sprinkle the top with chopped cilantro and sliced green onions. Serve warm, with lime wedges and sliced jalapeños on the side if you like a bit of extra brightness and heat.
Pro Tips
- Drain if needed: If your beef releases a lot of fat, drain most of it off before adding seasonings so the casserole is rich but not greasy.
- Let it thicken: Simmer the filling until it is thick and not soupy. Excess liquid will make the bottom layers soggy.
- Rest before slicing: The 10–15 minute rest after baking is essential for neat layers that hold together, just like traditional lasagna.
- Cheese blend: Use a mix of sharp cheddar for flavor and Monterey Jack for meltiness. Pre-shredded works, but freshly shredded melts even better.
- Adjust the heat level: Choose mild, medium, or hot salsa / enchilada sauce, and add or skip jalapeños depending on how spicy you like it.
Variations
- Chicken tortilla lasagna: Swap the ground beef for 4 cups of shredded cooked chicken (rotisserie works well). Sauté the onion and garlic, then stir in the chicken with the seasonings, beans, corn, and tomatoes.
- Vegetarian version: Omit the beef and add an extra can of beans (pinto or kidney) plus 1–2 cups of sautéed bell peppers and zucchini. The layering and baking steps stay the same.
- Extra cheesy and creamy: Add 1/2 cup of cream cheese (softened) to the sour cream mixture for an even richer, silkier texture, and top with an extra 1/2 cup shredded cheese.
Storage & Make-Ahead
Let leftovers cool to room temperature, then cover the baking dish tightly or transfer slices to airtight containers. Refrigerate for up to 3–4 days. Reheat individual portions in the microwave (1–2 minutes) or rewarm a larger portion covered in a 325°F (165°C) oven until hot throughout.
To make ahead, assemble the casserole up to 1 day in advance, cover tightly, and refrigerate. When ready to bake, remove from the fridge while the oven preheats. Add 5–10 extra minutes to the covered baking time to ensure it heats through. This dish also freezes well: wrap tightly and freeze unbaked or baked for up to 2 months. Thaw overnight in the refrigerator before baking or reheating.
Nutrition (per serving)
Approximate values per serving (1/8 of the pan): about 700 calories, 40 g protein, 45 g carbohydrates, 40 g fat, 8 g fiber, and 1,200 mg sodium. Actual values will vary based on the exact brands of tortillas, cheese, sauce, and beef you use.
