3 butterscotch shortbread cookies Recipes

granulated sugar, divided, water, lemon juice, butter, cold and cut into 1/2-inch cubes, heavy cream, room temperature, whole milk, room temperature, egg yolks, whole eggs, cornstarch, butterscotch-flavored schnapps, brown sugar shortbread cookies , for serving, recipe follows, unsalted butter, softened, divided, light brown sugar, all-purpose flour, salt, ground cinnamon, granulated sugar