In a large bowl using the whisk attachment of an electric mixer, whip the heavy cream. Starting on a low speed then slowly increase to high speed, whip until the cream forms stiff peaks.
1 pint heavy cream
Using a spatula, fold in condensed milk and stir until well combined.
14 ounces sweetened condensed milk
Fold in caramel and sea salt.
1/2 cup caramel sauce, 1 teaspoon sea salt
Pour into a freezer-safe container. Top with drizzle of caramel and gently drag spatula through it to make pretty swirls. Top with sprinkling of sea salt.
Cover with an airtight lid and place in freezer for at least 8 hours, preferably overnight.