Heat the olive oil in a frying pan. Fry the meatballs for 2-3 minutes until brown on all sides. Add the pizza sauce and stew the meatballs for 10 minutes.
Prepare the Wavy fries according to the instructions on the packaging.
Tear the mozzarella into pieces. Mix the pesto with the mayonnaise.
Spoon the Wavy fries onto a board or 4 plates. Divide the pizza balls with sauce and mozzarella on top.
Pipe or spoon dots of pesto mayonnaise on the fries. Sprinkle with the oregano and leaves from the basil sprigs.