Skinny Peanut Butter Cheesecake Bars

sheets chocolate graham crackers

unsalted butter, melted

semisweet chocolate morsels, melted

Filling:

reduced-fat cream cheese

creamy all-natural peanut butter

2-percent Greek yogurt

powdered sugar

Topping:

chopped roasted unsalted peanuts

semi-sweet chocolate chips, melted for drizzle