Samoa M&M Blondies

Bahan-bahan (16 porsi)

• 10 tablespoons (1¼ sticks) unsalted butter
• 1 cup packed dark brown sugar
• ¼ cup granulated white sugar
• 1 large egg
• 2 teaspoons vanilla extract
• ¼ teaspoon kosher salt
• 1¼ cups all-purpose flour
• 1¼ cups sweetened flaked coconut
• 1¼ cups mini M&M’s ((and few extra M&M’s optional))