Skinny Raspberry Swirl Cheesecake Bars

graham cracker crumbs (about 5-6 full sheets graham crackers)

unsalted or salted butter, melted (or melted coconut oil)

brick-style light cream cheese, softened to room temperature (do not use fat free)

Chobani Greek yogurt (or regular yogurt, plain or flavored, low fat or fat free)

large egg whites

granulated sugar

all-purpose flour

fresh lemon juice

vanilla extract

raspberry jam