Ingredients
Equipment
Method
- Line the bottom of a 9-inch springform pan with parchment paper. Add a strip of parchment or acetate around the inside wall for clean sides. Place the pan in the freezer for 15 minutes.
- Crush the chocolate cookies into small pieces, not fine powder. Add the chocolate chips and coconut oil to a microwave-safe bowl. Microwave in 20-second bursts, stirring between each, until smooth. Stir in the salt, then mix with the crushed cookies.
- Spread the chocolate cookie mixture on a parchment-lined tray and freeze for 10 minutes. Once firm, break it into small crunchy clusters.
- Let the chocolate ice cream soften for 8 to 12 minutes. It should be spreadable, not melted. Spoon it into the chilled springform pan and smooth it into an even layer. Freeze for 30 to 45 minutes, or until firm.
- Sprinkle the frozen chocolate crunchies over the chocolate ice cream layer. Leave a small border around the edge so the cake slices neatly. Press gently so the crunchies attach without sinking.
- Soften the vanilla ice cream and spread it over the crunchies. Smooth the top with an offset spatula. Cover tightly with plastic wrap and freeze for at least 6 hours, or overnight for the cleanest slices.
- If using gelatin, sprinkle it over cold water and let it bloom for 5 minutes. Microwave for 5 to 8 seconds until liquid, then cool slightly.
- Beat the cold heavy cream, powdered sugar, and vanilla until soft peaks form. If using gelatin, slowly drizzle it in and continue beating until firm peaks form.
- Remove the cake from the springform pan. Spread whipped frosting over the top and sides. Decorate with sprinkles, cookie crumbs, or a classic border.
- Freeze the decorated cake for 30 to 60 minutes before slicing. For clean slices, let the cake sit at room temperature for 10 to 15 minutes and cut with a hot, dry knife.
Notes
For best results, freeze each layer before adding the next. Do not let the ice cream melt completely before spreading, or the final texture can become icy.
To keep the crunchies crisp, freeze the chocolate-cookie mixture before adding it to the cake. Let the cake sit at room temperature for 10 to 15 minutes before slicing.
Use a sharp knife dipped in hot water and wiped dry between cuts. For a gluten-free version, use certified gluten-free chocolate sandwich cookies and gluten-free ice cream.
