You could also go the extra mile and pipe little royal icing Christmas lights on the tree I think thatd be a cute touch Christmas Tree Meringues. Ingredients 4 egg whites, room temperature. Pinch of cream of tartar. Preheat 2. 00. F. Adorable No Bake Mickey Minnie Mouse Christmas Cookies made with Oreos. Fun Disney themed holiday cookies for a party, gifts or cookie exchange. Best StoreBought Holiday Cookies. The holidays are hectic, but you can save yourself some stress and still impress with these packaged Christmas cookies. Cherries Nutrition Facts. Line a baking sheet with parchment paper. Place egg white, sugar and cream of tarter in the bowl of a stand mixer set over a saucepan of simmering water. Constantly whisk until sugar as fully dissolved. Remove from heat and whisk in peppermint extract. Using the whisk attachment, beat the egg whites until they are a bright white, but still runny. Add in food coloring and continue to beat until stiff peaks have formed. Place meringue in a piping bag fit with a large, open star tip. Pipe 1 inch cones at least one inch apart. Bake for 2 hours. After 2 hours, open the door slightly and let cookies cool in the oven. Using a small amount of royal icing, attach sprinkles to the top of each tree. Store in an airtight container. Recipe from Bakers Royale.