What a treat! Chocolate Dulce de Leche! This recipe makes a rich, creamy and satisfying version that will knock your socks off!
FROSTING, ICING, ETC RECIPE HELP

INGREDIENTS
1 cup heavy cream
1 cup dulce de leche, thick; made in the oven or a crockpot  
4 large egg yolks
5 ounces 60%-cacao semisweet or bittersweet chocolate, finely chopped

INSTRUCTIONS
1. Bring cream and dulce de leche to a simmer in a medium size heavy bottomed saucepan, stirring with a wooden spoon until dulce de leche has dissolved. Remove from heat.

2. Whisk together yolks in a bowl. Add 4 tablespoons hot cream / dulce de leche mixture to the egg yolks, 1 tablespoon at a time and whisk quickly after each addition.
Then, slowly add in the egg yolk mixture to the hot cream mixture, while whisking.

3. Return to pan and cook over medium heat, stirring constantly, until pan is visible in tracks of spoon and mixture registers 170 degrees F, measured with an instant-read thermometer.

4. Remove from heat and whisk in chocolate until melted. Let cool before using in recipe.

STORAGE
Store in an airtight container for up to 2 days. (Cover when cooled at room temperature).