1 to 2 tbsp. minced onion
3 oz. cream cheese
1 can mushroom soup
1 can tuna, drained and flaked
1 tbsp. pimiento, diced
1 tsp. mustard
1/3 c. milk
1 c. macaroni, cooked
2 tbsp. fresh breadcrumbs
2 tbsp. butter, melted

Blend cheese and soup with mixer. Add tuna, pimiento, onion, mustard, milk and macaroni. Pour into casserole dish. Mix butter and bread crumbs; sprinkle over top.

Bake at 375°F for 35 to 40 minutes.