INGREDIENTS
2
Eggs
2 cups
All-purpose flour
1 tsp
Baking powder
2 tsp
Baking soda
4 oz
Chocolate, unsweetened
1 1/2 cups
Nestle s semisweet-chocolate chips
1 tsp
Salt
2 cups
Sugar
1 tsp
Vanilla
1 tsp
Cider vinegar
1 stick
Butter, unsalted
1 cup
Milk
1 1/2 cups
Sour cream