Heat oven to 350. Spray an 8" baking pan w/ cooking spray. In bowl, combine graham cracker crumbs and 1/4 cup marmalade. W/ the back of a spoon, press mix into bottom of pan. Bake 8 mins.
Remove pan from oven, reduce heat to 300. In bowl, w/ mixer on med, Beat cottage cheese until creamy. Beat in cream cheese and 3/4 cup sugar, beat until blended. Beat in egg beaters. W/ spoon, swirl in 1/4 cup marmalade. Pour mix over crust. Bake 45 mins.
In another bowl, combine sour cream, vanilla and 1/4 cup sugar, mix well. Pour over cheese mix and bake 10 more mins. Let cool. Cut into squares.