Lake Forest, Calif. — Del Taco is debuting its highly-anticipated new store prototype: a sleek, bold, contemporary model, “Fresh Flex,” that reconceptualizes the restaurant inside and out. Striking exteriors and distinctive interiors evoke the brand’s contemporized feel. At the same time, the new design expands real estate opportunities to help lower net investment costs, provides ultimate convenience for guests and optimizes operational efficiencies. “Continuing to adapt and evolve is the lynchpin for Del Taco to remain ahead of the curve in the restaurant industry,” says John Cappasola, CEO of Del …