INGREDIENTS
1/2 cup
unsalted butter (Softened)
1 cup
+ 2 tablespoons sugar ((8 ounces))
2
large eggs
1
large egg yolk
1/2 tsp
pure vanilla extract
1 cup
and ⅓ cup cake flour ((6 ounces))
2 tbsp
cocoa powder
1 tbsp
instant coffee
1/2 tsp
salt
1/2 tsp
baking Powder
1/2 cup
sour Cream
1/2 cup
chocolate Chips
3 tbsp
butter