Encebollado Ecuatoriano Recipe (ecuadorian Fish and Onion Stew)

What you will need

Oil -- 2 to 3 tablespoons

Red onion, thinly sliced -- 1

Tomatoes, seeded and finely chopped -- 2

Cilantro, chopped -- 1/2 bunch

Paprika -- 2 teaspoons

Ground cumin -- 1 teaspoon

Stock or water -- 8 cups

Yuca root (cassava), peeled and cut into cubes (see notes) -- 1 pound

Salt and pepper -- to taste

Tuna or other firm, fresh fish, cut into chunks -- 2 pounds

Cebollas encurtidas (pickled onions) -- 1 recipe