1/2 lb. elbow macaroni
3/4 c. chopped onion
2 cloves minced garlic
1 c. chopped green peppers
1/2 c. butter
1/2 c. flour
1 1/2 tbsp. salt
1/8 tsp. pepper
1 lb. ground beef
2 c. tomatoes
1 c. sliced mushrooms

Cook macaroni according to package. Saute onion, garlic, and green pepper in butter for 5 minutes. Add flour and seasonings; continue to cook until mixture begins to brown. Add ground beef; cook for 10 minutes. Add tomatoes and mushrooms; cook for 10 minutes. Pour sauce over cooked macaroni and toss. Sprinkle with Parmesan cheese.