Tuna Sandwich Filling(Diabetic Recipe)  
["1 (3 1/2 oz.) can tuna (packed in water)", "1/4 c. celery, finely chopped", "1 Tbsp. green pepper, finely cut", "1/8 tsp. salt", "few grains pepper", "1 Tbsp. onion, finely chopped", "1/4 c. plain low-fat yogurt", "1 tsp. lemon juice", "1 Tbsp. grated American cheese"]
["Drain tuna well, then flake into a bowl.", "Add all remaining ingredients; mix well.", "Use 1/4 cup to spread on one slice of bread for an open-faced sandwich or between 2 slices of bread for a regular sandwich."]
["tuna", "celery", "green pepper", "salt", "pepper", "onion", "yogurt", "lemon juice", "American cheese"]