Shrimp-Avocado Salad
["1 (3 oz.) pkg. lime Jell-O", "1 c. hot water", "1/2 c. cold water", "1 1/2 Tbsp. vinegar", "1/2 c. mayonnaise", "1/8 tsp. pepper", "3/4 c. diced shrimp (7 oz. can)", "1/3 c. celery", "1 tsp. chopped onion", "1 c. diced avocado"]
["Dissolve gelatin in hot water.", "Add cold water, vinegar, mayonnaise, salt and pepper.", "Blend with rotary beater.", "Pour into refrigerator tray.", "Quick chill in freezing unit until firm, about 1-inch from edge, but soft in the center, about 15 to 20 minutes."]
["lime Jell-O", "water", "cold water", "vinegar", "mayonnaise", "pepper", "shrimp", "celery", "onion", "avocado"]