Tuna Stuffed Avocados – Easy High Protein Lunch Recipe

Ingredients

• 2 cans (5 oz / 142 g each), drainedsolid white albacore tuna packed in olive oil
• 120 ml (½ cup)good-quality mayonnaise
• 60 ml (¼ cup)red onion, minced very finely
• 1 stalk, minced very finelycelery
• 30 ml (2 tablespoons)dill pickles, minced
• 15 ml (1 tablespoon)fresh dill, chopped
• 15 ml (1 tablespoon)fresh lemon juice
• 5 ml (1 teaspoon)Dijon mustard
• 1.25 ml (¼ teaspoon), or to tastesalt
• 1.25 ml (¼ teaspoon), or to tasteblack pepper
• 2 large, ripeavocados
• 15 g (¼ cup)panko breadcrumbs
• 15 g (1 tablespoon)unsalted butter
• to tastepaprika, for garnish

Instructions

1. 1

   Toast the panko

   Melt the butter in a small skillet over medium heat. Add the panko and stir constantly for 2–3 minutes, until golden brown. Transfer it straight away to a plate to cool.

2. 2

   Flake the tuna

   Put the well-drained tuna in a medium bowl and break it into flakes with a fork.

3. 3

   Add the flavourings

   Add the mayonnaise, red onion, celery, pickles, fresh dill, lemon juice and Dijon mustard to the tuna.

4. 4

   Mix and season

   Stir gently to combine, then season with salt and pepper to taste.

5. 5

   Prepare the avocados

   Cut the avocados in half lengthwise and remove the stones. If needed, scoop out a little flesh to make a larger hollow.

6. 6

   Season the avocado

   Brush the cut sides with a little lemon juice to help prevent browning, then add a tiny pinch of salt.

7. 7

   Fill the halves

   Spoon the tuna salad generously into each avocado half.

8. 8

   Finish and serve

   Scatter the toasted panko and a little paprika over the filled avocados, then serve immediately.

What are tuna stuffed avocados?

This American-style lunch pairs tuna salad with halved avocado, using the hollow left by the stone as a natural serving bowl. Tuna salad has long been a familiar sandwich and lunch-counter filling; here it is served without bread.

The version works through contrast: creamy tuna and avocado meet finely chopped onion, celery and pickles, while buttery toasted panko adds crunch.

Nutrition and macros by portion

The nutrition label shows one serving as written: 470 calories, 19g protein, 16g carbs, 40g fat.

The tuna supplies most of the protein, while the mayonnaise, avocado and butter contribute much of the fat. The avocado and panko provide most of the carbohydrates, with the avocado also contributing fibre. Serve with a crisp salad or extra vegetables for a fresher, more varied plate.

Build a balanced tuna salad

Fine dice: Mince the onion, celery and pickles small so they distribute evenly through the tuna and are easy to scoop up.

Gentle mixing: Fold the ingredients together rather than mashing them. This keeps some texture in the tuna and avoids turning the filling into a paste.

Toast the panko separately

Even colour: Stir the panko constantly in the melted butter over medium heat. It can turn from golden to too dark quickly, so take it off the heat as soon as it is evenly toasted.

Keep it crisp: Tip the crumbs onto a plate straight away; leaving them in the warm skillet can make them continue to brown.

Choose and prepare ripe avocados

Ripe, not soft: Choose avocados that yield slightly to gentle pressure but do not feel mushy. Firm fruit is harder to scoop and less pleasant to eat.

Make room: Remove only a little flesh if the hollows are too small for the filling. Brushing the cut surfaces with lemon juice helps slow browning.

Serving and timing

Serve promptly: Once filled, the avocados are best eaten straight away, while the cut surfaces are fresh and the panko remains crisp.

Make ahead: The tuna salad and toasted crumbs can be prepared separately in advance. Cut and fill the avocados close to serving time.

What to serve alongside

Fresh sides: A simple green salad, sliced tomatoes or crunchy cucumber work well alongside the rich filling.

For a more substantial meal, serve with toast or crackers on the side. Keep them separate so they do not soften under the tuna salad.

Recipe notes & tips

• Drain the tuna thoroughly so the filling does not become watery.
• Taste the tuna mixture before adding all the salt, as the tuna and pickles may already be salty.
• Keep the panko moving in the skillet so it browns evenly.
• Use the lemon juice sparingly on the cut avocado so it does not overwhelm the filling.
• Scoop the tuna salad into the avocado halves just before serving for the best texture.

Variations

• Add capers: Stir in a small amount for a sharper, briny note.
• Use fresh chives: Swap the dill for chopped chives for a milder herbal flavour.
• Add chilli: Mix a little finely chopped chilli into the tuna for heat.
• Make it crunchier: Add finely diced cucumber to the tuna mixture.
• Skip the panko: Leave off the breadcrumbs for a softer, gluten-free version.

Common mistakes to avoid

• Wet tuna: Drain it well before mixing so the salad stays thick enough to sit in the avocado.
• Overmixing: Stir gently to keep the tuna flaky rather than turning the filling into a paste.
• Burnt panko: Stir constantly and remove the crumbs as soon as they turn golden.
• Unripe avocado: Choose fruit that gives slightly when pressed so it is easy to eat and scoop.
• Filling too early: Assemble close to serving time to keep the avocado fresh and the crumbs crisp.

How to store

Store leftover tuna salad in an airtight container in the fridge and use within 2 days. Keep the avocado halves and toasted panko separate where possible, and fill them just before serving; assembled avocados are best eaten immediately. Reheat leftover panko briefly in a dry skillet to restore some crispness.

Frequently asked questions