INGREDIENTS
2 3/4 cups
all-purpose flour
2 1/2 tsp
baking powder
1/4 tsp
baking soda
1/2 tsp
salt
1/3 cup
unsalted butter, softened
4 tbsp
vegetable oil, divided
1 1/4 cups
granulated sugar
2
large eggs
1 1/2 tsp
vanilla extract
3/4 cup
milk
1/2 cup
sour cream
1 1/4 cups
mini chocolate chips