Tuna Cremolata with Vegetables

'Open the cans of tuna, but do not drain'

'Put 1 can of tuna in a blender and blend at low speed'

'Continue blending and add 1/2 cup of chopped onion, 1/2 cup of chopped parsley, 2 tablespoons of lemon juice, 2 tablespoons of olive oil, 1 clove of garlic, and half the capers'

'Transfer to a bowl'

'Repeat this operation three times, using all ingredients'

'Divide into 2 or 3 serving dishes and place in the middle of a platter with raw vegetables'

'Serves 24 people'

'Vegetable preparation: Separate celery stalks, wash well, chop leaves'

'Chop into strips 5-6 cm'

'Add to cold water at the time of serving'

'Rasp grated carrots into strips and add to cold water as well'

'Peel turnips, leaving the green stem, and add equally to cold water at the time of serving.'