Copycat Shake Shack Shack Attack Concrete - cooking recipe

Ingredients

Copycat Shake Shack Chocolate Frozen Custard for base custard
Chocolate Frozen Custard
0.5 (16 1/2 ounce) package refrigerated chocolate chip cookie dough, such as tollhouse, cut into 1- inch pieces
6 chocolate truffles, dark chocolate, such as Lindt
7 ounces dark chocolate, roughly chopped
Fudge Sauce
1 cup heavy cream
4 tablespoons unsalted butter
1/3 cup light brown sugar, firmly packed
1/3 cup light corn syrup
1/8 teaspoon fine salt
8 ounces bittersweet chocolate, finely chopped
1/4 cup unsweetened cocoa powder
1 tablespoon real vanilla extract
1/2 cup chocolate sprinkles

Preparation

Make Chocolate Frozen Custard:
https://www.geniuskitchen.com/recipe/chocolate-frozen-custard-537408.
Before freezing, fold in cookie dough, chopped truffles, and chocolate chunks.
Transfer to a freezer safe container and freeze for at least two hours, or until firm enough to scoop. While Concrete freezes make fudge sauce.
Fudge Sauce:
in a small saucepan over medium, combine the heavy cream, butter, brown sugar, corn syrup and salt bring to a simmer stirring to combine. Add the chocolate and cocoa powder; reduce the heat to low and cook, whisking, until the chocolate is melted and the sauce is smooth, 1 to 2 minutes. Add the vanilla. Transfer to a heatproof bowl. Cool 10 minutes before serving. Scoop concrete into desired portions top with fudge sauce and sprinkles.