FOR THE CRUST 4 tablespoons butter, melted and cooled, plus more for pan 1-1/2 cup graham cracker crumbs 1/4 cup sugar FOR THE FILLING 2 large egg yolks 1 can (14 ounces) sweetened condensed milk 1/2 cup fresh lemon juice (3 lemons) DIRECTIONS: *Preheat oven to 350F / 180C degrees. *Brush a square b…