Crabmeat Au Gratin*
["1 medium onion, chopped", "6 green onions, chopped", "2 ribs celery, chopped", "1 stick butter", "4 Tbsp. flour", "salt and pepper to taste", "1 large can evaporated milk", "1 c. low-fat milk", "2 egg yolks, beaten", "2 lb. white crabmeat", "1 1/2 c. grated Cheddar cheese"]
["Saute onion and celery in butter until soft.", "Add flour and blend.", "Add milk and blend.", "Remove from heat.", "Add egg yolks, crabmeat, salt, pepper and cheese.", "Put in a casserole and top with cheese.", "Bake at 350\u00b0 for 20 to 30 minutes.", "Makes 8 servings.", "Exchanges:", "1 milk, 2 low-fat meats and 3 fats."]
["onion", "green onions", "celery", "butter", "flour", "salt", "milk", "low-fat milk", "egg yolks", "white crabmeat", "Cheddar cheese"]