– 1 cup all-purpose flour – ½ cup black cocoa powder – ½ tsp. baking soda – ¼ tsp. salt – ½ cup unsalted butter – ½ cup light brown sugar – ¼ cup granulated sugar – 1 large egg – 1 Tbsp. whole milk – 1 tsp. vanilla extract – ½ cup white chocolate melting wafers – Candy eyeballs