Rinse the baby spinach using a salad spinner.
In a bowl, combine the spinach, cucumbers, cannellini beans, diced avocado, and finely sliced shallot.
Drizzle in the lemon juice, black pepper, chili flakes, and salt.
Pour in a good quality olive oil and mix the ingredients well.
Finally, add the canned tuna and gently combine everything together.
