Hot Peppered Shrimp
["1 lb. margarine", "1/2 c. finely chopped onion", "1 Tbsp. paprika", "1 Tbsp. black pepper", "1 Tbsp. bitters", "1 Tbsp. garlic powder", "2 Tbsp. Lawry's season salt", "1 Tbsp. dry mustard", "1 Tbsp. Worcestershire sauce", "2 Tbsp. wine vinegar", "shrimp"]
["In a mixer bowl or food processor, beat margarine until light. Add remaining ingredients, except shrimp, and beat until well blended.", "Store butter in refrigerator and use as needed."]
["margarine", "onion", "paprika", "black pepper", "bitters", "garlic powder", "salt", "mustard", "Worcestershire sauce", "wine vinegar", "shrimp"]