According to a Dietitian

Beat egg whites on high until light and frothy- room temperature egg whites whip up better. Lemon Meringue Kiss Cookies. Lemon Meringue Thumbprint Cookies Bake From Scratch Preheat oven to 350F. Lemon meringue cookies recipes . Add in the zest egg yolks and sugar. Turn off the oven and leave the oven door closed allowing the meringues to cool in the oven for a final two hours. As the eggs become thicker slowly sprinkle in the sugar just a bit at a time. 23 cups granulated sugar. Place room temperature egg whites in the bowl of your mixer and using the whisk attachment beat until frothy. Lets talk about these Lemon Meringue Cookies. These Lemon Meringue Kiss Cookies are little melt-in-your-mouth cookies that are filled with fresh lemon juice and lemon zest. Place baking sheets in preheated oven and bake for 1 hour without opening the oven. These Lemon Meringue Cookies contain just a hint of lemon and melt in your mouthyou wont be able to stop at just one.