Preheat the oven to 350 and line a baking sheet with parchment paper.
With an electric mixer in a large mixing bowl or in the bowl of a stand mixer cream together butter and sugar.
½ cup butter, 1 cup sugar
Add in eggs one at a time mixing on med/low in between additions until they are all incorporated.
2 eggs
Add in vanilla and vinegar and continue mixing until well mixed.
1 teaspoon vanilal extract, 1 teaspoon apple cider vinegar
In a separate bowl whisk together flour, cocoa, baking powder and salt until well blended.
1 ½ cups all-purpose flour, ¼ cup cocoa powder, ¼ teaspoon salt, 1 ½ teaspoon baking powder
Gradually add the dry ingredients to the butter mixture mixing after each addition until all the flour mixture has been added and is well incorporated.
Add in a teaspoon of food coloring and mix until evenly mixed. If a deeper red color is desired add more food coloring and continue mixing.
1-2 teaspoon red gel food coloring
Place powdered sugar in a small bowl or shallow dish.
½ cup confectioners sugar
Scoop about 1 ½ tablespoons of dough at a time and drop into powdered sugar. Roll the dough in the powdered sugar until round and evenly coated.
Place dough balls on the cookie sheet about two inches apart.
Bake for 12-14 minutes or until tops are cracked.
Remove from the oven and allow to cool on the cookie sheet for 2-3 minutes. Move to a wire cooling rack to cool completely.
Store in an airtight container.