1 red onion, sliced
1 green pepper, cut in thin strips
4 med. zucchini, sliced & unpeeled
1 (16 oz.) can diced tomatoes, undrained
1 tsp. salt
1/2 tsp. pepper
1/2 tsp. basil
1 tbsp. oleo
1/4 c. grated Parmesan cheese
Combine all ingredients, except oleo and cheese, in a slow cooker. Set temperature on low and heat for 3 hours. Dot casserole with oleo and sprinkle with cheese. Cook 1 1/2 hours more on low setting.
Makes 6 servings.