Zenzai is a simple and comforting Japanese dessert made with adzuki beans, sugar and glutinous rice cakes (mochi). It can be described as a sweet bean soup great for the colder months of the year. Even though I grew up eating many variations of sweet beans such as “frejol colado” (black bean paste) eaten as dessert and as a filling in Chinese pastries, the adzuki bean paste in mochi, and my aunties’ treat made with canario beans (white beans similar to canellini) and sugar. During our trip to Japan last year we learned you can buy warm cans of sweet adzuki bean soup in many vending machines. We also came…