Cut the bread into roughly 2x2 cm cubes, toss them with a splash of oil and season with salt. Bake in a preheated conventional oven (top and bottom heat) at 180°C for about 18 minutes.Leave them to cool.
Spiced beef mince
Heat a splash of oil in a frying pan and fry the onion until soft and translucent.
Add the mince and brown it well, then season with the spices, salt and freshly ground pepper.Set the meat aside.
Burger dressing
Mix the dressing ingredients together and season to taste with salt and freshly ground pepper. Keep chilled until ready to serve.
Cheeseburger salad
Put the lettuce and salad leaves, tomatoes, cucumber, red onion, meat and cheddar in a large bowl. Pour over the dressing and toss well.
Finally, gently fold the cooled croutons through the salad, divide between 4 bowls and serve straight away.