1 lg. onion, chopped
1 tbsp. vegetable oil
3 med. tomatoes, peeled and chopped
2 c. chopped, cooked chicken
1/2 c. chicken broth
2 tsp. chili powder
1 tsp. salt
1 tsp. dried oregano
1 tsp. ground cumin
6 corn tortillas, cut into fourths
1 c. shredded sharp Cheddar cheese

Cook onion in oil until tender, add tomatoes and next 6 ingredients. Bring to a boil and reduce heat. Simmer 5 minutes. Layer of chicken mixture, tortillas and cheese into a lightly greased 11 x 7 x 1 1/2 inch baking dish. Repeat layers. Cover and bake at 350 degrees for 25 minutes.