– 1 tablespoon flour
– 1 tablespoon canola or vegetable oil
– 1 tablespoon shortening or coconut oil
– 1 tablespoon sugar
– 1 1/2 teaspoon s instant coffee
– 1 1/2 teaspoon s cocoa powder
– 4 tablespoons (1/2 stick) unsalted butter, at room temperature
– 1/2 cup granulated sugar
– 1 large egg, at room temperature
– 1 cup all-purpose flour
– 1/2 teaspoon baking powder
– 1/2 teaspoon baking soda
– 1/2 teaspoon salt
– 1/2 cup sour cream, at room temperature
– 1 teaspoon vanilla extract
– 1/4 cup mini chocolate chips