T&T chocolate cookie crumb crust for mini tarts

AuntieJenny (z9/19 SoCal)

We have an unopened box of Trader Joe's Peppermint Joe-Joe's left from Christmas. (Yeh, I know... who in their right mind can leave the box unopened this long?!?!) I'd like to make some mini tarts to fill with chocolate mousse or pudding.
There are recipes galore on the internet. I'm looking for one to press into mini-muffin cups (not papers), bake, and release from the pan before filling.
Does anyone have a T&T recipe and technique to be sure they will release and I won't end up with crumbs?

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