preheat oven to 350F
in a small pot, melt 1/2 cup + 2 tbsp butter
stir in 3/4 cup granulated sugar + 1 tsp vanilla + 2/3 cup cacao powder until fully combined
add in 1/2 cup dark chocolate chips and allow to melt as you mix the chocolate mixture
take off heat and allow to cool
whisk in 2 eggs
add in 1/2 cup all purpose flour
scoop evenly into an oiled mini muffin pan (24 total)
bake for 15-17 min or until tops are crinkly