Mexican Lasagna

Ingredients

• 1 teaspoon chili powder
• 1 teaspoon cumin
• 1/2 teaspoon coarse salt
• 29 ounces Mexican-style stewed tomatoes, 2 cans - 14 1/2 oz; lightly drained and chopped
• 16 ounces Reduced fat sour cream
• 4 ounces chopped green chilies drained, 1 can
• 6-7 8" fat free tortillas
• 20-22 ounces chicken breast 2 - 10 oz cans drained or 3 C shredded cooked chicken
• 15 ounces reduced sodium pinto beans 1-15 oz can, rinsed
• 4 ounces 50% reduced fat shredded cheddar cheese