HEAT oven to 350ºF.
SPRAY 9x5-inch loaf pan with cooking spray. Mix cheese and oregano in medium bowl until well blended.
DIP biscuit pieces, 1 at a time, in butter, then in cheese mixture, turning to evenly coat each piece. Place in prepared pan.
BAKE 25 to 30 min. or until golden brown. Cool 10 min.; remove from pan to wire rack. Cool slightly.