INGREDIENTS
1
Egg, large
3/4 cup
All-purpose flour
1/2 tsp
Baking soda
2 tbsp
Brown sugar, packed light
1 1/2 oz
Chocolate, unsweetened
1 cup
Chocolate chips, mini
1/3 cup
Cocoa powder
1/2 cup
Granulated sugar
2 cups
Powdered sugar
1/4 tsp
Salt
1 tsp
Vanilla extract
1/3 cup
Vegetable oil
1 tbsp
Instant coffee or espresso, powder
32 tbsp
2 sticks, 227 grams) unsalted butter, unsalted
1/2 cup
Sour cream or creme fraiche