Mint Liqueur 1 cup granulated sugar 1/3 cup water 1 tablespoon peppermint extract 1 teaspoon green flood coloring 1 to 2 tablespoon glycerin 3 cups vodka (24 ounces) Place sugar and water in saucepan and bring just to a boil. Remove from heat. Add extract, coloring, glycerin and vodka. Place in blender and blend for 10 to 15 seconds. Age at least 2 to 3 days. NOTE: For added thickness add 2 tablespoons white corn syrup.