Olasagasti Tuna Fillets with Onions

(200gr) Olasagasti's yellowfin or ahi tuna caught in the Cantabrian Sea are packed in a sauce made of onions, olive oil, white wine, vinegar and salt. An excellent source of vitamins, minerals and omega-3 along with seafood protein.

INGREDIENTS: Yellowfin tuna, onion, olive oil, white wine, Modena vinegar, salt.