Ingredients
Instructions
- Under cook elbows; oven baking will finish the cooking process.
- In double boiler melt butter and add flour, mustard, salt and pepper.
- Slowly stir in milk and cook until smooth and creamy. Add grated cheese and stir until cheese has melted and sauce is smooth.
- Turn macaroni and finely chopped onion into casserole and pour cheese sauce over all. Toss well to coat. Top with rest of cheese.
- Toss bread with melted butter and sprinkle over all.
- Bake uncovered for 20 min @ 400°.