1) Preheat over the 350 degrees.
2) Grease an 8" square baking pan.
3) In small bowl mix first 3 ingredients. Stir in butter until well blended. Reserve 1/3 c. crumbs. Pat remaining gently into pan. Bake 12 to 15 min.
4) Meanwhile, in small bowl at medium speed, beat cream cheese and sugar until smooth. Beat in remaining ingredients. Pour over crust, sprinkle on remaining crumbs. Bake 25 min. more until set. Cook on wire rack.
5) When cool, cut in 2" squares, then cut each square diagonnally in half.