Restaurant Review: Proof + Pantry in Dallas By Nancy Nichols | 6 years ago I’m sure you know more about the politics of Proof + Pantry than you do about the food. Co-owners Michael Martensen and Sal Jafar II are the proprietors who exercised their right to express their feelings about what they consider to be a flawed star-rating system in place at the Dallas Morning News. Eve Hill-Agnus takes a serious look at the food coming out of the kitchen.