Combine flour, graham crumbs, 3 Tbsp. sugar, baking powder and 1/2 tsp. cinnamon in medium bowl. Cut in butter until mixture resembles coarse crumbs. Add apples, eggs and 2 Tbsp. milk; stir just until blended. (Do not overmix)
Mix cream cheese, nuts, remaining milk and 1 Tbsp. of the remaining sugar until blended
Divide dough in half; pat each into a 6-inch round on a lightly floured surface. Place one round on baking sheet and spread with cream cheese mixture to ¼ inch from the edge. Top with second round, seal edges, sprinkle with remaining cinnamon sugar.
Bake 25 to 28 min. or until top is golden brown and toothpick inserted into center of top layer of dough comes out clean. Cool on baking sheet 10 min. Transfer to cutting board. Cut into 12 wedges. Serve warm or at room temperature
