Turn chocolate biscuits into crumb and use it to make the crust for chocolate cheesecake.
Grind hazelnuts, mix with cocoa powder, and use it to make the crust of chocolate cheesecake.
Crumble pretzels to make the salty and crunchy crust.
Combine blended dates with crushed nuts to make the crust.
Mix coffee powder with graham cracker crumbs to make a coffee flavored crust.