Good, plain or with a dollop of whipped cream!
I buttered the cups and the tarts came out without any mishaps! Immediately run a sharp blad around the tarts once out of the oven.
Below: make sure you let them cool sufficiently (to maintain the shape!) before removing from the pan.
I used half the following recipe:
Babsie's Tarts (page 272) of The Grilling Season
Serving Size : 24
Serving Size : 24