Cedar Knolls, N.J. — The groundbreaking for a stand-alone building that will house two restaurants at Hanover Crossroads marks the final phase of construction for the 107,000-square-foot Morris County, N.J., shopping center. IHOP and Mangiamo’s, an Italian eatery with catering services, will occupy the 8,650-square-foot structure, according to owner/developer Key Properties.