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Boo Egg White Meringue Cookies sit on a black platter with Fall colored decor in the background
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5 from 1 vote

BOO Egg Meringue Cookies

BOO meringue cookies are shaped like ghosts to make a fun treat this Halloween! Celebrate the day with these spooktacular treats sure to delight kids and adults alike.
Prep Time15 mins
Cook Time1 hr
Rest Time1 hr
Total Time2 hrs 15 mins
Course: Cookies, Dessert, Snack
Cuisine: American
Servings: 4 dozen
Calories: 213kcal


  • Stand mixer
  • piping bags
  • Parchment paper
  • cooling racks


  • 1/2 teaspoon Cream of Tartar
  • 4 egg whites room temperature
  • 1 cup sugar
  • 1 teaspoon vanilla extract
  • Candy Eyes
  • Black frosting gel


  • Preheat the oven to 200˚ and line 2 large baking sheets with parchment paper
  • Wipe down your mixer bowl and whisk attachment with vinegar to remove any grease, wipe dry
  • with a clean paper towel
  • Put the cream of tartar in the bowl of a stand mixer fitted with the whisk attachment
  • Pour the room temperature egg whites over it, turn the mixer on low and let it mix in the cream
  • of tartar
  • Slowly increase the speed to medium and beat until the mixture is foamy
  • Then increase the speed to high and beat until it holds soft peaks
  • Then slowly add the sugar Tablespoon by Tablespoon beating well between each addition
  • Beat until it holds stiff peaks and it’s glossy
  • Add the vanilla and beat it in for 30 seconds
  • Cut the tip off of a disposable icing bag and fit it with a one-inch tip, you can use bigger or
  • smaller tips too-you can also just use a bag without a tip, they work just fine that way too
  • Pipe your Boos on the prepared sheets, you can put them close together because they don’t
  • spread very much
  • Fill your sheets with them, make sure the bottom is wider than the top and pull up while you stop
  • squeezing the piping bag to make a little point
  • Add the eyes now, they don’t have to be perfect, in fact, they’re more fun if you make them silly
  • Bake the trays for 60 minutes, rotating them halfway through
  • If you bake in the lower portion of the oven you won’t get browned ghosts
  • Once they’re baked turn off the door let the Boos cool in the oven for 60 minutes
  • Remove them from the oven and let cool completely
  • Once they’re cool add eyes and a mouth as desired
  • These are best made the day you plan to eat them


Calories: 213kcal | Carbohydrates: 51g | Protein: 3g | Fat: 1g | Sodium: 51mg | Potassium: 111mg | Sugar: 50g