Preheat oven to 350 F. 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. Makes 6 1-cup
servings.