Chocolate Pretzel Toffee

Bahan-bahan (8 porsi)

• 6 tablespoons salted butter, cubed
• 1 cup brown sugar
• 1/4 cup heavy cream
• 1 teaspoon vanilla extract
• 1 cup salted mini pretzel twist
• 2 -3 cups semi-sweet chocolate chips
• 1/2 cup roasted salted peanuts ((or any other nut, optional))
• sea salt