Michigan: Treasure Cookie (This bill did not pass.)
Commonwealth of Massachusetts: The Chocolate Chip Cookie.
"The Chocolate Chip Cookie was designated the official cookie of the Commonwealth on July 9, 1997. A third grade class from Somerset proposed the bill to honor the cookie invented in 1930 at the Toll House Inn and restaurant in Whitman."
New Mexico: Biscochitos
Pennsylvania: Nazareth Sugar Cookie, proposed in 2004 with HB 219, did not pass. Another bill in competition was HB 2479 for the oatmeal chocolate chip cookie.