It’s almost Thanksgiving — the best holiday for those of us who love to be in the kitchen. But some of us prefer to leave it to the experts, or maybe even just take a year off from all the cooking.
Cook until it starts to boil, about 3 minutes. Add the cheese, cream and thyme, and season with salt and pepper. Toss the green beans and mushrooms in the warm sauce. Butter a 9-by-13-inch casserole ...