Food & Cooking Recipes Dessert & Treats Recipes Petits Fours Icing 3.2 (398) Close Yield: 32 petits fours Use this icing to make the decorative petits fours with butterflies by Karen Porter of Tilly's Cakes. Directions In a heatproof bowl set over (but not touching) simmering water, mix sugar, corn syrup, 1/2 cup water, vanilla and almond extracts together until they are warm, well combined, and smooth. Stir in enough food coloring until desired color is reached. Do not overheat. Let cool about 8 minutes before pouring.