Whiz the almond paste and sugar together in a food processor.
Pulse in the butter.
Add the egg, vanilla, and flour and mix until smooth.
Line the bottom of two ramekins with berries.
Evenly distribute the custard between the two ramekins.
Bake at 350 F for about 15 minutes or until slightly brown on top.
Let cool slightly.
Stir and transfer to champagne glasses. Eat immediately or chill first if you prefer your custard cold.
Two things you should know about the New Year's Eve almond custard recipe before you get started:The recipe made just enough for two ramekins worth of custard. This is a perfect amount for you and your honey, but if you've got a party, you'll need more. In fact, even if it's just you and the person you will kiss at midnight, you might want to make more to have some leftovers.