This Crock Pot Mexican Casserole is the perfect recipe for Cinco De Mayo! Tortillas, taco meat, black beans, corn, chilis and more will bring the fiesta to your dinner table.
Grease the crock of a slow cooker with nonstick cooking spray. Place 4 tortillas into the bottom, overlapping if necessary. Add half of beef mixture and 1/2 cup cheese on top of tortillas. Top with 4 tortillas.
Repeat with another layer of beef (using up the remaining mixture) and 1/2 cup cheese. Top with 4 tortillas and repeat with remaining beans, corn, green chilies and 1/2 cup of cheese and 1/3 of olives. Top with 4 tortillas and and sprinkle with 1/2 cup cheese and remaining black olives.