Fiola, according to People Magazine.
She was there with an executive from Lifetime as well as two others, Jeanne Tripplehorn and Patricia Clarkson. They were involved in a Lifetime mini-series called Five, and Aniston directed one of the segments.
Both Aniston and Theroux had the tagliatelle with Alba white truffle at Fiola, as well as a salad and a bonboloni pastry made with ricotta cheese for dessert.
They stayed until 11:00 p.m. at the Penn Quarter restaurant.