Thanks to my grandmother, she taught me how to cook this miracle

Recipe
Beets 1 piece
Water 200 ml
Salt 1 tsp
Egg 1 pc.
Red food coloring 0.5 tsp
Flour 450 gr
filling
Minced meat 200 gr
Onion 1 pc.
Potato 1 pc.
oil 30 ml
Spices, salt to taste
Cooking on a pressure cooker