Long Island Clam Spread
["1 medium onion, diced", "3 Tbsp. butter or margarine", "2 (7 oz.) cans clams, chopped or minced", "15 to 18 crushed Ritz crackers", "1 tsp. garlic powder", "1 tsp. parsley flakes", "1/4 tsp. black pepper", "1 tsp. Worcestershire sauce (optional)", "2 Tbsp. sour cream (optional)"]
["Saute onion in butter or margarine until transparent.", "Remove from heat and add the clams, one of the cans drained, the other with its liquid.", "Stir in remaining ingredients.", "Bake, uncovered, for 25 minutes at 350\u00b0.", "Serve on seasoned crackers or rye bread thins."]
["onion", "butter", "cans clams", "crackers", "garlic powder", "parsley flakes", "black pepper", "Worcestershire sauce", "sour cream"]