A quick and tasty fish dish ideal for any day.
Make the marinade with orange juice, chopped onion, chopped garlic, chopped rosemary, maple syrup, and salt.
Add the tuna to the marinade and leave it there for at least 20 minutes.
Once the fish is marinated heat a grill or a pan with a drizzle of avocado oil. Sear the tuna on all sides for a few minutes (adding the marinade on top so it cooks alongside.)
Once the tuna is cooked add some sesame seeds to the outside and slice.