Okra Casserole

Ingredients

• 1/2 c. chopped onion
• 1/2 c. chopped green pepper
• 1/3 c. melted margarine
• 2 Tbsp. all-purpose flour
• 1/2 tsp. pepper
• 1 tsp. salt
• 2 c. chopped tomato
• 1 1/4 c. sliced okra
• 1/2 tsp. dried basil
• 4 slices American cheese, cut in half to form triangle