Preheat the oven 350°C

In a mixing bowl, mix graham, flour and baking powder

In another mixing bowl beat the butter and brown sugar. Add the egg white. Mix properly then slowly add the graham mixture until well blended

Whisk the cream cheese, white sugar, egg yolk, lemon zest, and vanilla. Set aside

Using a ice cream scooper, scoop the cookie dough and put it in the baking sheet. By pressing the center of the dough, use a thumb to make a crater on it. Add the cream cheese mixture at the center.

Add blue berry jam at the center and bake for atleast 10 mins. let it cool then serve