Preparation:
Preheat oven to 350F Cook noodles in boiling water 20 minutes. Blend soup and milk into smooth sauce. Add onions and mushrooms.
Drain noodles. Layer 1 1/2 cups noodles, 1/3 cup tuna and 1 cup broccoli in a 2-quart casserole. Pour in 1 cup of sauce. Repeat layers.
Bake 20 minutes. Then add cheese and bake 15 more minutes. |