1. Preheat oven to 350°F and line a 9×9 pan with parchment.
2. Whisk flour, cocoa, baking powder, espresso powder, and salt in a bowl.
3. Melt butter, oil, and 1/2 cup sugar in a saucepan over medium heat.
4. In a separate bowl, whisk eggs, yolk, 1 cup sugar, and vanilla.
5. Slowly mix in melted butter mixture while whisking.
6. Fold in dry ingredients and chocolate chips.
7. Pour batter into pan and bake for 25–30 minutes.
8. Cool completely before ganache.
9. Heat cream, pour over chocolate chips, stir to combine.
10. Spread ganache over brownies, chill for 1 hour.
11. Mix confectioner’s sugar with water and black food gel.
12. Pipe stitches on brownies and add a candy eye to each.