Add the heavy cream and vanilla bean paste and beat until stiff peaks form.
3 cups heavy cream, 1 teaspoon vanilla bean paste
Fold in condensed milk, mix until combined, mix in the crumbled red velvet cake (save some for topping).
400 g sweetened condensed milk
Transfer the mixture to a container, sprinkle some crumbled cake on top.
1 baked red velvet mug cake
Freeze for 3-4 hours or until solid.
Notes
I used one Red Velvet Mug Cake in this recipe; however, if you don't want to make this easy mug cake at home, you may use 2-3 store-bought red velvet muffins.