Classic Buttercrunch Toffee recipe for managing PCOS and pregnancy on Fertility Chef

Ingredients

• 1 pound cultured unsalted butter, such as Plugra, cut into small cubes, plus 1 tablespoon at room temperature
• 2 cups sugar
• 3 teaspoons sea salt
• 4 cups chopped walnuts
• 2 cups chopped milk chocolate
• 2 cups chopped dark chocolate
• Special equipment: 13-by-18-inch rimmed baking sheet; a candy thermometer; a spider skimmer; long tweezers or a pair of chopsticks