01 -
Turn on your oven to 350°F (175°C) so it can heat up.
02 -
Stir together the crushed graham crackers, baking powder, and flour in a big mixing bowl till it looks even.
03 -
In another bowl, whip the soft butter with the brown sugar using an electric mixer until the mixture looks airy. Then beat in the egg white.
04 -
Combine the wet ingredients into the graham cracker mix and gently stir. The dough will feel a bit crumbly.
05 -
Blend the softened cream cheese, sugar, vanilla, egg yolk, and lemon zest in a different bowl. Beat it all together until it’s smooth.
06 -
Grab about 2 tablespoons of dough by hand or with a small scoop and set each piece onto a lined baking sheet.
07 -
Gently press down on the dough balls to flatten them out a little, then press your thumb in the middle to leave a dent for filling.
08 -
Carefully place a dollop of the cream cheese filling into each dent of the cookies.
09 -
Put the cookies in the hot oven and bake for 12 minutes or so, until the centers are just firm and the outside edges turn golden.
10 -
Let the cookies sit on the baking tray for 5 minutes to cool slightly. Then move them to a cooling rack to finish setting.