Rinse the tomatoes and remove them from the branch. Heat a coated pan dry. Add 1-2 teaspoons of olive oil and toss the tomatoes briefly in the pan over high heat. Remove from the pan immediately.
Clean, rinse and finely chop the celery and spring onions. Mix the remaining olive oil with vinegar, salt and pepper.
Rinse lettuce and spin dry. Mix cherry tomatoes, celery, spring onions and cranberries and arrange on the leaf salad. Drizzle the marinade over it. Serve with baguette.