We thought Allen’s Prize-Winning Whoopie Pie bordered on monstrous. But this baby tops it. Weighing in at almost a half-pound, this thick, bakery-style chocolate chip cookie barely contains all that gooey chocolate. Before you bite in, think about saving some for later. Or better yet, slice it up to share. Our daughter and son-in-law introduced us to this mega cookie from their favorite local bakery. More than its big size, we like its big flavor. Heaps of molten bittersweet and semisweet chocolate flood your taste buds, while finely chopped nuts, oats and surprise bits of apricot add extra oomph. Levain-like? More than just “bakery-style,” this recipe indeed comes from a bakery. Posted on their…