Kitchen Tip Tuesday! To gently get rid of any bubbles that might form on the surface of your tarts, you can gently run a kitchen torch over the tops of each tart to help make the bubbles dissipate before baking. This trick can work on several types of custard recipes. Give this a try next time you make a crème brulee, pot de crème, crème caramel or our January Baking School In-Depth recipe, Egg Custard Tarts!