01 -
Set oven to 350°F (177°C) to prepare for baking.
02 -
In a large skillet over medium-high heat, brown the ground beef with the chopped onion, breaking up the meat and cooking until onions soften, about 7-8 minutes. Drain excess fat. Add garlic and sauté for an additional 1-2 minutes until fragrant.
03 -
In a large pot of boiling water, cook lasagna noodles for 8 minutes or according to package instructions. Drain and set aside.
04 -
Add the taco seasoning packet and 1 cup of water to the beef mixture. Simmer for 3-4 minutes, stirring occasionally, until mixture thickens.
05 -
Stir in Rotel tomatoes, black beans, corn, enchilada sauce, tomato sauce, and salsa. Simmer for 5 minutes to blend flavors and thicken filling slightly.
06 -
Spread ½ cup of the beef mixture evenly on the bottom of a 13x9 inch baking dish. Arrange about 4 lasagna noodles over the mixture. Add one-third of the remaining beef filling followed by 1 cup shredded cheese. Repeat layering two more times ending with cheese on top.
07 -
Cover the baking dish with foil and bake for 25 minutes. Remove foil and continue baking uncovered for an additional 20 minutes until bubbly and cheese is melted.
08 -
Allow the lasagna to rest for 10 minutes after baking to set layers before slicing and serving.