NYT Cooking: Baking rice on a bed of tender vegetables has to be one of the most fail-safe ways to prepare it. Here tangy-sweet tomatoes, garlic and shallots are slowly roasted in olive oil with cinnamon and thyme, then baked with basmati rice until everything is fragrant and soft. Adapted from Yotam Ottolenghi’s cookbook, “Ottolenghi Simple,” it makes a spectacular side dish to pan-seared meats or fish, or...