If you're searching for an oven-ready dessert, Costco is home to frozen Portuguese custard tarts that have garnered rave reviews.

2. Magnum Mini Double Caramel Ice Cream Bars These Magnum bars rank among my very favorite frozen desserts available at Costco for being smooth, decadent, and light, all at the same time.

When it comes to desserts ... the frozen product can't substitute the authentic version sold in Portugal, they said this item is "so damn close," and described the custard tarts as "mini cups ...