Marbled Cheesecake Bars

INGREDIENTS
2 cups finely crushed creme-filled chocolate sandwich cookies
3 tablespoons butter or margarine, melted
3 (8 ounce) packages cream cheese, softened
1 (14 ounce) can EAGLE BRAND Sweetened Condensed Milk
3 large eggs
2 teaspoons vanilla extract
2 (1 ounce) squares unsweetened chocolate, melted

DIRECTIONS
Heat oven to 300 degrees F. In medium bowl, combine cookie crumbs and butter; press firmly on bottom of 13x9-inch baking pan.
In large bowl, beat cream cheese until fluffy. Gradually beat in sweetened condensed milk until smooth. Add eggs and vanilla; mix well. Pour half the batter evenly over prepared crust.
Stir melted chocolate into remaining batter; spoon over vanilla batter. With table knife or metal spatula, gently swirl through batter to marble.
Bake 40 to 50 minutes or until set. Cool. Chill. Cut into bars. Store leftovers covered in refrigerator.