Hard Chocolate Glaze By Anonymous recipe Comments | 0 Favorites | 22 A chocolate glaze that sets up hard. Use it on cakes or brownies. Hard Chocolate Glaze Ingredients 1/2 cup unsalted butter10 (1 ounce) squares semisweet chocolate Instructions 1 Chop the chocolate into small pieces. Combine chocolate with butter in the top of a double boiler, over simmering water. Stir frequently until melted and smooth. Remove from heat.