Red Kidney Bean Salad
["1 (16 oz.) can kidney beans", "1/4 c. wine vinegar", "3 Tbsp. olive oil", "1/4 tsp. oregano", "1/4 tsp. salt", "1/8 tsp. pepper", "1/4 c. sliced celery", "2 Tbsp. chopped onion", "lettuce cups"]
["Thoroughly rinse and drain kidney beans.", "Combine vinegar, oil, oregano, salt and pepper; mix with beans.", "Blend in celery and onion; chill.", "Serve in crisp lettuce cups."]
["kidney beans", "wine vinegar", "olive oil", "oregano", "salt", "pepper", "celery", "onion"]