Needhams (Potato Candy) | America's Test Kitchen

Ingredients

• 6 tablespoons unsalted butter
• 3 tablespoons whole milk
• 1/4 teaspoon salt
• 1/4 cup (1/2 ounces/14 grams) plain instant mashed potato flakes
• 1 teaspoon vanilla extract
• 1 1/2 cups (6 ounces/170 grams) confectioners' sugar
• 1 1/2 cups (4 1/2 ounces/128 grams) sweetened shredded coconut
• 1 pound (454 grams) bittersweet chocolate , chopped fine