1 lb. 7% fat (or less) ground beef
1 onion, chopped
1 clove garlic, minced
16 oz. diced canned tomatoes
1 T. chili powder
2 tsp beef bouillon
1/4 tsp. black pepper
1 C. mushrooms, sliced

Mix all ingredients into the crock and mix well. Cook on low for 6+ hours. Serve over rice or pasta.