Step 1

Heat oven to 350°F. Spray 9-inch glass pie plate with cooking spray.

Step 2

In 10-inch nonstick skillet, cook beef and onion over medium-high heat 5 to 7 minutes, stirring frequently, until thoroughly cooked; drain. Pour in 2/3 cup of the enchilada sauce; reserve remaining sauce. Stir in taco seasoning mix, chiles and frozen corn; heat to boiling. Reduce heat; simmer uncovered 3 to 4 minutes, stirring frequently, until thickened.

Step 3

Place 1 tortilla in pie plate; top with 3/4 cup beef mixture and 1/4 cup cheese. Repeat layers 3 times. Top with remaining tortilla, and press down to flatten. Pour remaining enchilada sauce and sprinkle remaining cheese over top.

Step 4

Bake uncovered 20 to 25 minutes or until hot and cheese is melted. Cool 10 minutes. Top with remaining inredients.