1 (7 1/4 oz.) pkg. macaroni and cheese dinner
1 lb. sliced franks
1 c. cooked peas
1/2 c. sour cream
1/2 c. chopped onion
2 tbsp. chopped pimento
1 tbsp. prepared mustard

Prepare dinner as directed on package. Add remaining ingredients and mix well. Heat thoroughly. 4 to 6 servings.