3 oz. cream cheese
1 can mushroom soup
9 1/4 oz. can tuna
1 tsp. onion
1 tsp. mustard
1 c. noodles (cooked)
1/4 c. sour cream
1/4 c. milk
1/2 c. crackers (crushed)
3 tsp. butter (butter)

Soften cream cheese, blend in soup with mixer. Stir in tuna, onion, mustard, sour cream, milk and noodles. Season to taste. Spoon into casserole. Crush 1/2 cup crackers fine. In skillet melt 3 teaspoons butter, add crackers and saute lightly. Sprinkle over top. Bake at 375 degrees for 20 to 25 minutes.