High‑Protein Tuna Recipe (Well‑Done but Juicy)
This well done tuna steak recipe is perfect for anyone who wants tuna cooked fully through with no pink but still juicy, tender, and flavourful. It’s a fast, healthy 20‑minute dinner that works with fresh or frozen tuna and fits perfectly into a high‑protein lifestyle.
Whether you’re meal‑prepping for the week or making a quick weeknight dinner, this method gives you restaurant‑quality tuna without the raw centre — something most recipes don’t teach you how to do properly.
Tuna steaks are also one of the most versatile high-protein ingredients in the kitchen — they work just as well sliced cold over a salad the next day as they do fresh off the pan, making them a smart choice for weekly meal prep.
Why You’ll Love This Recipe
- Fully cooked but still juicy
- 20‑minute weeknight dinner
- High‑protein and low‑fat
- Works with fresh or frozen tuna
- Simple ingredients, big flavour
Tuna steaks are one of the best kept secrets in high-protein cooking. A single 5-6oz steak delivers around 40g of protein — more than most chicken breasts — in under 20 minutes. And unlike chicken, tuna doesn’t dry out if you know the right technique, which is exactly what this recipe is built around.
The biggest mistake people make with well done tuna steaks is either undercooking them (leaving an uncomfortable raw centre) or overcooking them into a dry, chalky disappointment. This recipe solves both problems with a two-step approach: a quick marinade that keeps moisture locked in, and a hot sear followed by a sticky glaze that seals everything together.
Fresh vs frozen tuna — does it matter? Not as much as you’d think. Fresh tuna from a fishmonger is ideal, but good quality frozen tuna steaks work beautifully here. The key is making sure they’re fully thawed and patted completely dry before they hit the pan. Any surface moisture will steam instead of sear, and you’ll lose that gorgeous crust.
What to look for when buying tuna steaks: aim for steaks that are at least 1 inch thick — thinner ones cook too fast to control. The flesh should be deep red to pink with no browning or grey edges. If buying frozen, look for “sashimi grade” on the packaging — it just means higher quality, and it makes a real difference to the final texture even when cooking well-done.
Ingredients You’ll Need
- Tuna steaks
- Soy sauce
- Lemon juice
- Honey
- Garlic powder
- Onion powder
- Smoked paprika
- Olive oil
- Salt + pepper
Tips for a Perfect Well Done Tuna Steak Tuna
- Pat tuna dry for the best crust
- Use a very hot pan
- Don’t overcook — 2½–3 minutes per side
- Add the glaze at the end to keep it juicy
- Rest 2 minutes before slicing
According to the USDA, tuna should reach an internal temperature of 145°F (63°C) for safe consumption — which is exactly what this method achieves.
High‑Protein Tuna Recipe (Well‑Done but Juicy)
Ingredients
Tuna Marinade
- 2 tuna steaks 5–6 oz each
- 2 tbsp soy sauce
- 1 tbsp lemon juice
- 1 tbsp honey
- 1 tbsp olive oil
- 1/2 tsp garlic powder
- 1/2 tsp onion powder
- 1/2 tsp smoked paprika
- 1/4 tsp salt
- 1/4 tsp black pepper
For Cooking
- 1 tbsp olive oil
Optional Glaze
- 1 tbsp soy sauce
- 1 tsp honey
- 1 tsp lemon juice
Instructions
- Pat the tuna steaks dry with paper towels.
- In a small bowl, whisk together soy sauce, lemon juice, honey, olive oil, garlic powder, onion powder, smoked paprika, salt, and pepper.
- Add the tuna steaks to the marinade and coat well. Let sit for 10–15 minutes.
- Heat 1 tablespoon of olive oil in a skillet over medium‑high heat until very hot.
- Place the tuna steaks in the pan and sear for 2½–3 minutes per side for well‑done but still juicy tuna.
- While the tuna cooks, whisk together the optional glaze ingredients (soy sauce, honey, lemon).
- Brush the glaze over the tuna during the last 30 seconds of cooking.
- Remove from the pan and let rest for 2 minutes before slicing.
- Slice against the grain and serve immediately.
Notes
Nutrition
Looking for more high protein meal ideas? Check out our Recipes page for new additions every week
Serving Ideas for Well Done Tuna Steak
- Serve with rice, quinoa, or roasted vegetables
- Slice over a chopped salad
- Add to a noodle bowl with soy + sesame
- Pair with steamed greens
- Use leftovers in wraps or bowls
If you make this recipe, the most important thing to remember is the rest time — 2 minutes off the heat makes a noticeable difference to juiciness. It’s tempting to slice straight away but worth the wait.
This keeps well in the fridge for up to 2 days and works brilliantly cold, sliced over a salad or tucked into a wrap for lunch the next day — making it a great option for meal prep even though it’s fast enough for a weeknight.
