Sour Cream Chocolate Cookies Recipe

Ingredients

• 1/2 cup butter, softened
• 3/4 cup sugar
• 1/2 cup packed brown sugar
• 1 egg
• 1/2 cup sour cream
• 1 teaspoon vanilla extract
• 1 3/4 cups all-purpose flour
• 1/2 cup baking cocoa
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1 cup (6 ounces) semisweet chocolate chips
• 1/2 cup vanilla or white chips