2-3 servings

• 1 medium can of tuna
• 1-2 tablespoons chopped spring onion
• 2 tablespoons olive oil (if you're using tuna with no oil)
• 1 can of corn (drained)
• 1 tablespoon lemon juice
• Pinch of salt and pepper
• 2-3 tablespoons mayonnaise or thick yoghurt