1
Heat oven to 350ºF. and lightly grease a 9x13-inch baking dish.
2
Lay tortillas on two sheet pans, and bake for 15 minutes. Remove from oven.
3
In a large skillet over medium-high heat, heat oil.
4
Cook onions in skillet until translucent.
5
Stir in spices, spinach, corn, and chicken and cook for several minutes.
6
In a small bowl, mix tomatoes, vinegar, and salt,
7
Add 0.5 cup of tomato mixture to bottom of baking dish.
8
Layer one third of tortillas on sauce.
9
Add half of chicken and veggie mixture on top of tortillas.
10
Add 3/4 cup of tomato mixture and 0.5 cup cheese on top.
11
Repeat previous steps to create another layer.
12
Add remaining tortillas and sauce on top.
13
Cover the baking dish with foil and place in oven.
15
Remove foil and add remaining cheese.