Macadamia Nut Brittle

Bahan-bahan (18 porsi)

• butter
• 1 cup granulated white sugar
• ¼ cup water
• ¼ cup light corn syrup
• 1½ cups macadamia nuts, chopped ((6-ounce jar should be enough))
• 1 tablespoon butter
• ¼ teaspoon baking soda
• sea salt, (optional)