2 c. cooked elbow macaroni
1 1/2 c. diced cooked ham
1 1/2 c. diced cooked chicken
1 c. (4 oz.) shredded Swiss cheese
3/4 c. sliced green olives
1/2 c. finely chopped onion
1 (8 oz.) carton commercial sour cream
3/4 c. milk
1/4 tsp. dry mustard
1/4 tsp. pepper
1/4 c. crushed potato chips

Combine first 6 ingredients; mix well. Combine sour cream, milk, dry mustard, and pepper. Add to macaroni mixture, and mix well. Spoon mixture into a lightly greased 2 quart baking dish. Sprinkle with crushed potato chips. Bake at 350 degrees.