In a microwave-safe bowl, cover the shiitake with water and microwave at high power for 2 minutes. Let stand until plump, about 10 minutes. Drain, rinse and pat dry. Thinly slice the mushrooms.

Add the artichokes, romano beans, the remaining 1 tablespoon of olive oil and a generous pinch each of salt and pepper to the pan and cook, stirring occasionally, until lightly browned, about 3 ...