Cowgirl Casserole

Ingredients

• 1 tablespoon vegetable oil
• 1 medium white onion, diced
• 1 medium red bell pepper, diced
• 1 medium green bell pepper, diced
• 1 (10.5-ounce) can condensed cream of mushroom soup
• 1 (10.5-ounce) can condensed cream of chicken soup
• 1 (10-ounce) can diced tomatoes with green chilies
• 1 cup chicken broth
• 2 tablespoons sour cream
• 2 teaspoons ground cumin
• 1 teaspoon ancho chile powder
• 1/2 teaspoon dried oregano
• 1/4 teaspoon chipotle chile powder
• 1 (3-pound) chicken, cooked and shredded or cut into chunks
• 1 (8-ounce) package cheddar cheese, shredded
• 10 (6-inch) corn tortillas, cut into quarters