1 lb. ground beef
1 onion, chopped
1 pkg. Ranch-Style dressing mix
1 pkg. taco seasoning mix
1 c. water
1 tbsp. oil
2 (14.5 oz.) cans diced tomatoes with green chilies
2 (15 oz.) cans pinto beans
1 (15 oz.) can black beans, drained
1 (15 oz.) can cream-style corn

Brown beef. Sauté onions in oil. Put beef and onions in a large Dutch oven. Add all remaining ingredients and simmer for 20 minutes.