HEAT oven to 350 degrees F. Spray 15 x 10-inch jellyroll pan with no-stick cooking spray.
BEAT flour, oats, 3/4 cup brown sugar and butter in large bowl until mixture resembles coarse crumbs. Reserve 1 1/2 cups crumb mixture; press remaining mixture into bottom of prepared pan.
BAKE 15 minutes or until lightly browned.
BEAT cream cheese in medium bowl until fluffy. Gradually beat in sweetened condensed milk until smooth; beat in eggs. Spread over partially baked crust: top with mincemeat.
COMBINE remaining 1 tablespoon brown sugar and cornstarch in small bowl; stir in cranberry sauce. Spoon over mincemeat. Top with reserved crumb mixture.
BAKE 40 minutes or until golden. Cool. Chill. Cut into squares.