Linzertorte

Directions

1. 1
   Preheat oven to 350°, butter a 10 inch spring form that is 2 inches high.
2. 2
   Work the flour, hazelnuts, butter, sugar, egg, 1 egg yolk, cinnamon and lemon zest to a dough.
3. 3
   Press 3 quarters of the dough into the bottom and sides of the pan.
4. 4
   Fill with jam.
5. 5
   Roll out the remaining dough 1/4 inch thick, cut into strips, criss-cross them over the filling, brush with 1 egg yolk.
6. 6
   Bake for 45 minutes.
7. 7
   Cool and serve.