Beef Tostada Pie - cooking recipe

Ingredients

1 lb. ground beef
1 large onion, chopped
1 clove garlic, finely grated
1/2 tsp. oregano leaf, crumbled
1 (16 oz.) can whole tomatoes in puree
1 (4 oz.) can chopped green chilies (undrained)
1 large can refried beans
2 c. Cheddar cheese, grated
2 Tbsp. all-purpose flour
1/2 tsp. cumin, ground
1/2 tsp. salt
1/8 tsp. pepper
Doritos chips

Preparation

Mix all the ingredients (except the refried beans, cheese and Doritos chips) and simmer on low heat 30 minutes; stir often so it doesn't stick to bottom of pan.
In a 9 x 12 dish, layer the chips, then the refried beans and then the meat mixture.
Repeat the layers and then sprinkle cheese on top.
You may also add black olives to top if you like.