Mastering the art of custard making can be tricky. From curdling and lumpy textures to custard that’s too runny and thin, achieving the perfect consistency can actually be quite the challenge.

In the past years, Costco launched a baked good in the freezer section of the store, La Vie Gourmand's Portuguese Custard Tarts and it quickly became a hit with shoppers. Just a few weeks, back, they ...