Combine granulated sugar and light brown sugar until throughly combined
Soften gelatin in 2 tablespoons cold water. Let sit 3 to 5 minutes.
Mix sugars, salt and 6 tablespoons water in medium saucepan.place over medium high heat , simmering WITHOUT STIRRING until.it becomes a golden caramel color, about 8 minutes.
Remove from heat and slowly whisk in 3/4 cup of the heavy cream. It will bubble up. Then add in softened gelatin to dissolve in hot caramel. Add vanilla. Set aside to cool.to room.temperature
Whip remaining 2 cups heavy cream until it holds soft but firm peaks.
Gently fold room.temperature caramel.mixture into whipped cream.
Spoon into serving glasses and refrigerate at least 6 hours or overnight.
Garnish with Crispy Toffee Popcorn
https://cookpad.com/us/recipes/358852-crispy-toffee-caramel-popcorn
