Prepare the vegetables

• Slice the red onion and halve the cherry tomatoes.
• Chop the parsley.

Make the dressing

• Whisk the lemon juice with the olive oil, salt and black pepper in a mixing bowl.

Assemble the salad

• Add the white beans, red onion and cherry tomatoes to the dressing and toss.
• Flake in the sardines and fold gently.
• Scatter over the parsley and serve.