For the sauce: In a pan, heat 1/3 cup of olive oil and sauté the onions until golden brown.
Add the tomatoes, oregano, and salt. Cook on low heat for 30 minutes with the lid covered.
Strain through a sieve and reserve.
For the meatballs: Mix the ground beef with chicken breast, egg, onion, lime zest, bread, and salt.
Divide into two portions.
With your hands greased with oil, shape each portion into a ball and fill with mozzarella cheese.
Dough the meat into an oval-shaped ball form.
Dip each meatball in flour and fry in hot oil, controlling the heat to cook the outside golden brown and the inside fully cooked.
Serve with the warm sauce.
For the sauce: In a pan, heat 1/3 cup of olive oil and sauté the onions until golden brown.
Add the tomatoes, oregano, and salt. Cook on low heat for 30 minutes with the lid covered.
Strain through a sieve and reserve.
For the meatballs: Mix the ground beef with chicken breast, egg, onion, lime zest, bread, and salt.
Divide into two portions.
With your hands greased with oil, shape each portion into a ball and fill with mozzarella cheese.
Dough the meat into an oval-shaped ball form.
Dip each meatball in flour and fry in hot oil, controlling the heat to cook the outside golden brown and the inside fully cooked.
Serve with the warm sauce.
