Ingredients:

• 1/2 cup (112g) butter, unsalted or salted, room temperature
• 1/2 cup (100g) granulated sugar
• 1/2 cup (110g) packed brown sugar, light or dark
• 1/2 cup (130g) peanut butter
• 1 large egg
• 1 1/4 cups (160g) all-purpose flour
• 3/4 teaspoon baking soda
• 1/2 teaspoon baking powder
• 1/4 teaspoon kosher salt (omit if using salted butter)