Preheat your oven to 350°F and line a baking sheet with parchment paper.
In a small bowl, mix graham cracker crumbs and melted butter. Set aside.
In a large bowl, beat cream cheese and sugar until smooth.
Add eggs one at a time, then stir in vanilla, lemon juice, and zest.
Mix in flour, baking powder, and salt until just combined.
Scoop dough, roll into balls, and roll in graham cracker mixture.
Place on baking sheet and gently flatten each cookie.
Bake for 12-15 minutes, or until edges are set and lightly golden.
Cool on wire rack, then dust with powdered sugar before serving.