Peel the cucumbers and cut into small pieces. Wash and dry the green pepper, remove the seeds and cut into pieces. Chop the garlic and dice the onion.
Place the pepper, cucumber, garlic and onion in a large bowl with 2 tablespoons of olive oil. Season with salt and pepper. Cover with Clingfilm and refrigerate for 2 hours.
Thinly slice the red pepper and set aside.
Coarsely crumble the tuna, cover with lemon juice and a tablespoon of olive oil. Sprinkle with lemon zest and set aside.
Combine the marinated vegetables with the Tabasco and 20cl of Elle & Vire light cream.
Share out the mixture between 6 glasses. Add a tablespoon of Elle & Vire light cream to each glass and sprinkle with the diced red pepper.
Spread the lemon-seasoned tuna and sprinkle with a little cumin. Eat immediately.