INGREDIENTS
1 Tablespoon
cocoa powder
5 oz
dark chocolate bar
3 larges
eggs
3/4 cup
flour
3/4 cup
granulated sugar
3/4 tsp
instant espresso powder
1/4 cup
light brown sugar
1/4 tsp
salt
3/4 cup
semisweet chocolate chips
1/2 cup
unsalted butter
1 tsp
vanilla extract