Turkey Tetrazzini - cooking recipe

Ingredients

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

Preparation

About 1 hour before serving, in saucepot, cook spaghetti as label directs.
Drain.
Return to saucepot.