Prepare the dough by mixing flour, egg, and water until a firm dough forms. Roll out thinly and cut into small squares.
Mix ground meat, onion, salt, pepper, and paprika for the filling. Place a small amount of filling in the center of each dough square and fold into a dumpling shape.
Boil the dumplings in salted water until they float to the surface.
Meanwhile, prepare the sauce by mixing yogurt and minced garlic.
Melt butter in a pan and add mint leaves.
Serve the cooked mantı with yogurt sauce and buttery mint mixture.