Heat oil in a large skillet. Add chopped green pepper and onion; sauté until tender. Stir in tuna fish, tomato sauce, water, salt, oregano, garlic powder, and pepper. Cook until thoroughly heated (5-10 minutes). Pour sauce over cooked spaghetti. If desired, sprinkle with grated cheese.

From Geminis MASSIVE MealMaster collection at www.synapse.com/~gemini