1 (7 1/4 oz.) pkg. Kraft macaroni & cheese dinner
1 (10 oz.) pkg. frozen mixed vegetables, thawed
1/4 c. butter
1/4 c. milk
1 c. chopped cooked chicken
1 (4 oz.) can mushrooms, drained or 1 (10 3/4 oz.) can condensed cream of mushroom soup

Add macaroni to 6 cups boiling water. Stir. Boil rapidly 5 minutes. Add vegetables; continue to cook 3-5 minutes or until tender. Drain; return to pan. Add cheese sauce mix and remaining ingredients; mix lightly.