INGREDIENTS
1
Egg yolk, large
1 tsp
Corn syrup
7/8 cup
All-purpose flour
1/2 tsp
Baking powder
1/4 tsp
Baking soda
1/2 cup
Brown sugar, light
11 tbsp
Cocoa powder
3 oz
Dark chocolate chips
2 cups
Powdered sugar
1/4 tsp
Salt
2 tsp
Vanilla
1
Cooking spray
1/2 tsp
Espresso, instant powder
3 tbsp
Butter, unsalted
1/2 cup
Buttermilk
3 tbsp
Milk or water
3 tablespoons sprinkles of choice (you might need more, who knows!)