It’s mango sticky rice season. I really like Thai food, but I love mango sticky rice. At the first hint of spring, I begin craving this sticky rice cake covered in an almost-buttery coconut milk, whose flavor contrasts perfectly with the sharpness of the fresh – and not mushy – mango. In early spring I find myself calling restaurants, multiple times, to find out if mango sticky rice is on the menu. Unfortunately, my cravings don’t always align exactly with an actual mango season and I frequently hang up the phone, disappointed, and having to wait. Not tonight. I walked into Mama Thai and saw, tacked to the wall, the…