Sardines balls

i like this recipe and i want you to try it 
ingredients:
1 kg of sardines
400 g of tomato sauce
1 baked potato with salt water and diced
1 egg yolk
2 bay leaves
3 cloves garlic, grated

2 tsp. chopped parsley and chopped coriander
salt
1 tsp Cumin
1 tsp paprika
1 tsp turmeric
½ cup olive oil
method:
Remove the head and bones of sardines, wash well and add them.
Then remove the skin and place fillets in a machine vegetables.
Also pass the baked potato.
Add this puree, egg yolk, parsley and chopped cilantro, garlic, salt, cumin, paprika, turmeric and mix well.
In a Dutch oven, place the tomato sauce, olive oil, bay leaves, salt, cumin, paprika and bring to a boil before adding the little balls of sardines that you have made ​​up. Cook over low heat. You can add a little water if necessary.
At the end of cooking, the sauce should be thick.