Lemon Sponge Pudding
["1 c. sugar", "1/4 tsp. salt", "1 Tbsp. melted butter", "grated zest and juice of 1 lemon", "1/3 c. flour", "2 egg yolks", "1 c. milk", "2 egg whites, stiffly beaten"]
["Mix first 7 ingredients in order, blending well.", "Fold in egg whites with rubber spatula.", "Pour batter into lightly greased ovenproof bowl set in a pan of water.", "Bake at 350\u00b0 for approximately 40 minutes or until pudding turns golden brown and pulls away from sides of bowl.", "Makes a light cake with a very rich lemon syrup.", "Serves 4."]
["sugar", "salt", "butter", "lemon", "flour", "egg yolks", "milk", "egg whites"]