Poppyseed & Nut Filling for Hamantaschen

Mohn (Yiddish for poppy seed) filling is the original hamantaschen filling, predating the modern jam and chocolate options by centuries. This version is the homemade real deal: dried poppy seeds ground fine, then cooked down with milk, butter, and corn syrup until they thicken into a deeply nutty, mildly sweet paste flecked with raisins, citron, and chopped nuts.

Grinding the seeds is what makes a real mohn filling possible. Whole poppy seeds stay crunchy and hard inside the cookie, while ground seeds release their oils and form the dense, almost halva-like texture that traditional Purim cookies are known for.

Adding the vanilla after cooling preserves its aromatic top notes, hot mixing burns off the volatile compounds and you lose the floral lift it brings.

Pro Tips

• Wash and drain the poppy seeds thoroughly before grinding. Old or unwashed seeds carry a slight bitter edge.
• If you don’t have a food chopper or grinder, a coffee or spice grinder works for small batches. Pulse, don’t run continuously, or you’ll release too much oil and get a paste before mixing.
• Cook the mixture over genuinely low heat. High heat scorches the milk and turns the filling grainy.
• Stir often and don’t walk away. Poppy seeds catch and burn fast on the bottom of the pan.
• Cool fully before filling cookies, warm filling oozes out of the triangle pinches during baking.

Variations

• Stir in a tablespoon of honey along with the corn syrup for a more pronounced traditional sweetness.
• Add a teaspoon of finely grated lemon zest with the vanilla for a bright, modern lift.
• Swap walnuts for the nut component and add a quarter teaspoon of cinnamon for a deeper Eastern European read.