Open a can or bottle of Guinness and pour into a glass so it loses it’s carbonation.

Preheat oven to 350 degrees f. and line two baking sheets with parchment paper.

Mix together the wet ingredients: egg, oil, sugar and vanilla extract. Add the dry ingredients: flour, cocoa powder, baking powder and salt, and stir until a smooth dough is formed.

Roll out the dough to around ¼ inch thick. Cut circles using a cookie cutter or a glass cup.

Mix together the peanut butter powder, powdered sugar, Guinness. Place 1 teaspoon of the filling in the center of the circles and pinch closed to form a triangle.

Bake the hamantaschen for 10-12 minutes. Transfer to a wire rack to cool.

Whisk the powdered sugar and Guinness together and drizzle over the cooled hamantaschen. Set aside for the drizzle to harden then enjoy!