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Plasma Grenades

image of plasma grenade blueberry spicy cookies on a plate with blueberries

Brigadiers are heating up their ovens for PAX West 2019. If you are interested in helping out with baking or handing out delicious treats while enjoying PAX there is still plenty of time! Join our forum and dive in to help! We love classic cookies as well as unique varieties such as Plasma Grenades. These cookies were developed by our recipe master Cookie Mom.

“I made them back when I was also doing a charity stream where we played Halo to raise money for Child’s Play and was looking for a way to interpret Halo in cookie form. I figured I could make a blueberry cookie to associate with the plasma, but wanted to give it some kick, with cayenne on the front end, and cinnamon on the back end, I think I accomplished that. Enjoy!”  – Cookie Mom

Plasma Grenades

Course: Dessert
Keyword: cookie, fruit, spicy


  • 2 cups Butter
  • 1 cup sugar
  • 4 eggs
  • 4.5 cups Flour
  • 4 tsp baking powder
  • 1/4 cup cinnamon
  • 4 tsp cayenne powder
  • 8 tsp nutmeg
  • 1 tsp salt
  • 2 cups Blueberries partially thawed


  • Preheat your oven to 375.
  • Mix together the butter, eggs, and sugar.
    butter and sugar creamed together for plasma grenade cookies
  • Add the flour, baking powder, salt, cinnamon, nutmeg, and cayenne. Mix to combine. It should be a very dry dough.
    picture of the ingredients for plasma grenade cookies in a bowl before combining
  • By hand, mix in the blueberries. You'll want to occasionally crush these as you're mixing them in, adding juice to the dough to make it easier to work with.
    plasma grenade blueberry cookie dough in the bowl before adding blueberries
  • Using a small cookie scoop, drop them 3 X 4 onto a standard baking sheet that I highly recommend covering with parchment paper.
    plasma grenade blueberry cookies on a sheet pan before cooking
  • Bake 12 – 15 minutes.
    plasma grenade blueberry cookies on a sheet pan after cooking


Enjoy! Since these have fruit in them, they will perish earlier than other cookies, so eat quickly!

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