Coffee Chocolate Chip Blondies

Bahan-bahan (24 porsi)

• 1 1/2 sticks (3/4 cup) salted butter
• 1/2 cup maple syrup
• 1 cup brown sugar
• 2 eggs
• 1 -2 tablespoons vanilla extract ((I always use 2))
• 2 cups all-purpose flour
• 1 teaspoon baking powder
• 1 -2 tablespoons instant espresso or coffee powder
• 1/2 teaspoon kosher salt
• 1 1/2 cups semi-sweet chocolate chips
• flaky sea salt (optional)