Wash the picking salad and pluck into bite-sized pieces. Wash and slice the tomatoes. Drain peperoncini on a sieve. Peel onions and cut into fine rings.
Pluck off the basil leaves, wash and shake dry. Place all ingredients in a large bowl. Mix maple syrup and vinegar and season with salt and pepper. Fold in 5 tablespoons of olive oil. Cut the ciabatta into thin slices.
Heat 5 tablespoons of oil in portions in a frying pan. Fry the slices of bread in it in portions on both sides until golden brown. Drain briefly on kitchen paper. Add the ciabatta to the remaining ingredients in the bowl and mix everything.
Drizzle vinaigrette over it.