Boil water in a large pot. Cut banana tips and slit open one side.
Boil bananas with peel on for about 40 minutes.
In pressure cooker, add chicken stock, gizzards, garlic, and 2 bay leaves. Cook 15-20 minutes.
Once cooked, set bananas and gizzards aside.
Cut onions and sweet peppers julienne style.
In a large pan, heat 1 cup olive oil. Saute onions and peppers until translucent.
Peel bananas and cut into 1-inch pieces.
Mix gizzards and bananas in a large bowl.
Add peppers, onions, olive oil, 3 bay leaves, vinegar, green olives, and season.
Serve and enjoy!