Candy Bar Blondies

Bahan-bahan (16 porsi)

• 2 cups (250g) all-purpose flour, (spooned & leveled)
• 1 teaspoon baking powder
• 1/2 teaspoon salt
• 14 Tablespoons (196g) unsalted butter, melted + slightly cooled
• 1 and 1/4 cups (250g) packed light or dark brown sugar
• 1 large egg + 1 egg yolk, at room temperature
• 1 Tablespoon pure vanilla extract
• 1 and 1/2 cups (about 225g) chopped chocolate candy bars
• optional: flaky sea salt, for sprinkling on top