Blaze Pizza, a hot new concept from the founders of Wetzel’s Pretzels, will make its Maryland debut this summer at Westfield Montgomery Mall. The California-based chain, which has attracted such high-profile investors as Maria Shriver, is known for its Chipotle-style assembly line: Customers watch as their ball of dough is flattened into a crust, topped by their choice of 40 fresh ingredients, then flash-fired for two minutes in a super-hot oven. The Montgomery Mall location, which will open near Old Navy, is just the beginning for Blaze in this market. Virginia and D.C. locations are in the works.