Step 1

Preheat oven to 350 degrees. Spray a non-stick skillet with non-stick cooking spray and heat on medium.

Step 2

Add beef, onion and mushrooms and cook until meat is cooked through.

Step 3

Drain if needed, I bought extra lean beef and there was no grease to drain today.

Step 4

Add garlic and cook another minute.

Step 5

Add beans, diced green chilies, corn, oregano, chili powder, garlic powder, cumin, pepper and kosher salt.

Step 6

Mix thoroughly.

Step 7

Spray a 9 x 13 pan with non-stick cooking spray.

Step 8

Lay half of corn tortillas on bottom of pan.

Step 9

Add half of the beef mixture and 1/2 c of cheese.

Step 10

Layer remaining corn tortillas and top with beef mixture and 3/4 c cheese.

Step 11

Bake in oven uncovered for 15 minutes.

Step 12

After cooking sprinkle with diced avocado and lettuce. Slice and serve and add a dollop of sour cream on top of slice.