Dip a sharp knife into hot water, wipe it dry, and carefully score along the seam of each egg. Repeat until the eggs separate cleanly into halves. Set aside.
Make the Cookie Crust
In a small bowl, mix the cookie crumbs with the melted butter until the texture resembles damp sand.
½ cup graham cracker crumbs, 2 tablespoons (1/8 cup) unsalted butter
Divide the mixture evenly among the chocolate egg halves, pressing gently to form a firm base.
Make the Cheesecake Filling
In a mixing bowl, beat the cream cheese and powdered sugar until smooth and creamy.