Salted Caramel Rice Krispie Bars

Bahan-bahan (15 porsi)

• 1 cup unsalted butter
• 1 cup lightly packed light brown sugar
• ½ cup heavy whipping cream
• 2 teaspoons flaky sea salt
• 10 -ounce package miniature marshmallows (16 ounces for extra gooey!)
• 12 -ounce box of Rice Krispies or crispy rice cereal (about 11-12 cups)