For the past several weeks in the test kitchen, we have been working on a fun FC story coming your way in a few months. I don’t want to ruin the surprise, but I will give you a hint: it requires making custard. So after…oh let me think, 40 or so batches, I’ve realized that the trick to perfecting good custard is knowing that exact moment your base reaches the right consistency, before you scramble your eggs.
The best way I’ve found to check its readiness is to take your finger and draw a line through the custard on the back of the spoon you’ve used to stir. If the line holds without the liquid running back together, your custard is ready.