Peanut Butter Cookies - Alex Guarnaschelli | Iron Chef and Food Network Celebrity

Ingredients

• 1 1/2 cup all-purpose flour
• 3/4 teaspoom baking powder
• 1/2 cup unsalted butter, at room temperature
• 1/2 cup dark brown sugar
• 1/2 cup sugar
• 1 teaspoon kosher salt
• 1 cup smooth peanut butter
• 1 teaspoon vanilla extract
• 1 large egg