Step 1

Heat oven to 350°. Coat an 8-inch square baking pan with non-stick spray.

Step 2

Mix together graham cracker crumbs and butter with a fork until evenly moistened. Press evenly into bottom of prepared pan.

Step 3

Gently beat cream cheese, sugar and vanilla until smooth using an electric mixer.

Step 4

Gradually beat in fat free yogurt, egg whites, lemon juice, and flour. Do not over beat. Pour over graham cracker crust.

Step 5

Stir jam until smooth. Drop by small spoonfuls over surface of filling.

Step 6

Using a knife, swirl jam gently through filling to create marble effect.

Step 7

Bake 25 to 30 minutes or until center is almost set. Cool to room temperature.

Step 8

Chill a few hours in the refrigerator.