Lambs’ Kidney dish In Tomato Sauce- Gholveh

Lamb kidneys ( Gholvehقلوه ) is a juicy,  very simple and inexpensive dish with tomato sauce that is prepared quickly. Ingredients 5 lamb kidneys 2 onions. Finely chopped 3 tomatoes, diced 2 Tbsp. tomato paste 3 potatoes, cut into the small cubes Salt and pepper to taste 1 Tsp. turmeric 1 Tbsp. flour Butter or