This sounds fun: Estela chef Ignacio Mattos tells Grub that tomorrow night, April 16, he'll invite David Tanis into the kitchen to cook a few special dishes. Tanis, of course, is a former chef at Chez Panisse and the author of books like A Platter of Figs and Heart of the Artichoke. He's also a frequent guest at Estela. Dinner will be business as usual — meaning walk-ins are welcome — but Tanis will contribute four additional dishes to the regular menu: fava-bean toasts, arroz negro, charred asparagus with scallions, and fried quail with sage. Mattos says he just wanted to do something casual, but that if all goes well he wants to do more guest dinners in the future.