he ($4 to $14); 2) Harper???s Restaurant & Bar (92 Main St, Dobbs Ferry, 914-693-2306; harpersonmain.com), a New American restaurant in the space that once housed Mimosa and the brainchild of partner Christopher Vergara of Meritage Restaurant in Scarsdale, offers such dishes as shellfish stew, duck rillette, and roasted pork porterhouse with leeks, bacon, and Brussels sprouts ($18 to $25); 3) Mari