In a medium bowl add the flour, baking powder and sugar and mix.
In the bowl of a stand mixer add in the eggs, egg yolks, butter and lemon zest and mix until combined.
Next, add the dry ingredients into the wet until a dough forms.
Form the dough into a ball, wrap it in plastic wrap and place it in the fridge for 1 hour to chill.
After the dough has chilled, preheat your oven to 350 degrees Fahrenheit.
On a heavily floured surface, roll out the dough to ⅛ inch thick and transfer it to your tart pan.
Top the dough with the preserves and spread everything evenly over the pan.
Cut strips from the remaining dough with a pastry cutter and form a lattice top pattern on the crostata.
Bake in the oven for 30 minutes or until the dough is golden.
Remove from the oven, let the crostata cool completely, then serve and enjoy!
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Notes
You can store any leftovers of this Italian Jam Tart at room temperature for 2 days or in your fridge in an airtight container for up to 5 days.For longer storage you can wrap up this jam crostata and freeze it for up to 3 months.