Fry the burgers in a pan until golden brown.
Meanwhile, finely chop the red onion and halve the cherry tomatoes.
Cut the buns open and put a few lettuce leaves on the bottom of the bun.
Divide the cherry tomatoes and red onion over the salad.
Top with the burger and finish with a slice of cheese, a few slices of pickle, some more salad and vegan mayonnaise.
Let you little one add the finishing (evil) touch by placing red peppers for the ears and the tails!