Italian Eggplant Casserole
["1 medium unpeeled eggplant, diced", "3 medium onions, chopped", "2 Tbsp. butter", "2 beaten egg yolks", "1/2 c. grated Parmesan cheese", "1 tsp. salt", "1 c. cracker crumbs"]
["Cook eggplant and onions in water to cover 20 minutes.", "Drain and add remaining ingredients.", "Place in greased casserole and bake in moderate oven at 350\u00b0 for 30 minutes or until brown. Serves 6."]
["onions", "butter", "egg yolks", "Parmesan cheese", "salt", "cracker crumbs"]