Turkey Tetrazzini - cooking recipe

Ingredients

8 oz. dry spaghetti or noodles
3 Tbsp. butter or margarine
1 small onion, chopped
1/4 c. all-purpose flour
2 3/4 c. milk
1 (2 1/2 oz.) jar sliced mushrooms
1 chicken bouillon cube or pkg.
1/2 tsp. salt
1/4 tsp. pepper
1/4 c. grated Parmesan cheese
3 Tbsp. margarine
4 slices white bread
2 c. cubed, cooked turkey

Preparation

Baking Temperature: 350\u00b0.
Baking Time: 20 minutes.