chocolate peanut butter cupcakes

Ingredients

• 1 1/2 cups all purpose flour
• 1/3 cup cocoa powder
• 1 cup packed brown sugar
• 1 teaspoon baking soda
• 1/4 teaspoon salt
• 1/3 cup vegetable oil
• 1 cup water
• 1 tablespoon white vinegar
• 1/2 teaspoon vanilla extract
• 1 - egg
• 8 ounces cream cheese, softened
• 3/4 cup peanut butter
• 1/3 cup granulated sugar
• 1/3 cup powdered sugar
• 1/4 cup peanut butter chips
• 1/4 cup semi sweet chocolate chips