This article was updated on 31/07/2023 for clarity and to improve the readability of the text. Custard tarts are best served warm, but the last thing you want is soggy pastry and split custard. (Yuk!). To help you avoid this, I’ve tried three different reheating techniques to find out which ones result in a custard tart with a smooth, creamy filling and flaky, buttery pastry. In a rush? Here’s the short answer. The best way to reheat a custard tart is in the oven. First, preheat your oven to 350°F (180°C). Next, place the custard tart straight onto the oven’s wire rack or onto a preheated baking sheet. Reheat the custard tart for 5 to 7 minutes. Serve immediately for best results. A note on my experiment Custard tarts are one of life’s little pleasures – easy to make and always a hit with guests. One Saturday, I cleaned my local bakery out of their tarts and kept some overnight. The next day, I tested out different ways of reheating them. I reheated them in: The oven: ...