To prepare a ukrainian meat fish stew lamb recipe, first you will need to gather your ingredients. Cut the lamb into cubes and place them in the crock pot. Cover the pot with water and bring it to boil. Once the water boils, remove it from the heat and let it sit for 10 to 15 minutes. Then, add the chopped onions and garlic and cook until the onions are soft. Add the stock and simmer the mixture for 30 to 40 minutes, or until it's reduced by half. Remove the lid and allow the meat to rest for 5 to 10 minutes before serving.