Crinkle Top Chocolate Peanut Butter Skillet Blondies

Bahan-bahan (12 porsi)

• 2 sticks (1 cup) salted butter
• 3/4 cup creamy peanut butter
• 1 cup granulated sugar
• 1/2 cup light brown sugar
• 2 teaspoons vanilla extract
• 3 large eggs, at room temperature
• 1 cup all-purpose flour
• 1 teaspoon baking powder
• 1 cup semi sweet chocolate chips
• 2 -3 ounces dark chocolate chunks ((or just handful more of chocolate chips))
• flaky sea salt ((optional))