INGREDIENTS
1/2 cup
unsalted butter, plus more for baking pan
1 cup
all-purpose flour (spooned and leveled)
1/3 cup
unsweetened cocoa powder
1/2 tsp
baking powder
1/2 tsp
fine salt
1 1/4 cups
sugar
1/2 lb
bittersweet chocolate chips (1 1/2 cups)
3
large eggs
1 tsp
pure vanilla extract
32
miniature chocolate peppermint patties, such as York
Candy eyes, chocolate chips, and icing pens, for decorating