Puff pastry sticks with ham and cheese only 4 ingredients

Ingredients:

1 pack of rectangular puff pastry from the refrigerated shelf
250g crème fraîche
120g smoked ham, diced
150g grated cheese
Preparation:

Roll out the puff pastry:
Start by rolling out the rectangular puff pastry.
First layer of filling:
Spread half of the sour cream evenly on one half of the puff pastry.
Sprinkle half of the diced ham and grated cheese over the sour cream.
Fold the uncovered half of the puff pastry over the filled side, creating a folded rectangle.