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A cropped square image of a cannellini bean salad with tuna and onions on a white oval platter.
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5 from 1 vote

Cannellini Bean Salad with Tuna and Tropea Onions

The simplest Cannellini Bean Salad with Tuna and beautifully sweet Tropea Onions. This delicious salad is served with a little red wine vinegar and olive oil and is ready in under 10 minutes.
Prep Time10 minutes
Total Time10 minutes
Course: Salad
Cuisine: Italian
Servings: 4 - 6 servings
Calories: 249kcal
Author: Emily Wyper

Ingredients

  • 1.5 lbs (700g) jarred cannellini beans
  • 1 - 1.5 Tropea onions or 1 large white or red onion (see note 1)
  • 6 oz (160g) Tuna in olive oil (we used Rio Mare)
  • 2 tablespoons Red wine vinegar
  • 2.5 tablespoons Olive oil
  • Sea salt flakes and pepper to taste

Instructions

  • First, drain and rinse the beans and set aside.
  • Peel and cut the onion in half then finely slice it. Add it to a large mixing bowl with the beans and drained tuna.
  • Add the vinegar, olive oil and a good pinch of salt and pepper. Toss everything to combine and taste for seasoning. Add more salt if needed then serve.

Notes

  1. Tropea onions - these Calabrian onions are wonderfully sweet and have a beautiful flavour making them perfect for salads. You can use a sweet white onion or red onion instead. Depending on size I always start with 1 onion and taste the salad, if I think it needs more I'll add another half.
  2. Adjusting quantities - the beauty of this salad is that it's so simple. You can easily adjust all ingredients according to your taste and how many people you are serving.
  3. High-quality ingredients - as always the quality of ingredients really make a difference, especially with recipes as simple as this. Look for cannellini beans stored in jars if possible or pick a brand you know and trust. An Italian food store should have good options. Tuna in olive oil (not brine or water) is also important, we used Rio Mare but again choose a brand you love.
  4. Storage - this salad is best eaten on the same day it's made although will keep in the fridge for 1-2 days.

Nutrition

Calories: 249kcal | Carbohydrates: 27g | Protein: 17g | Fat: 8g | Saturated Fat: 1g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 5g | Cholesterol: 5mg | Sodium: 118mg | Potassium: 627mg | Fiber: 6g | Sugar: 2g | Vitamin A: 21IU | Vitamin C: 2mg | Calcium: 95mg | Iron: 4mg