Knead the dough
15 minCombine the flour, yeast, sugar, and mahlab. Add the warm milk and egg, mix until a dough forms, and knead for 5 minutes. Sprinkle in the salt, then add the butter a little at a time. Knead for 8 more minutes, until the dough is smooth, soft, and elastic. Transfer it to an oiled bowl, cover, and let rise.