Cut the ciabatta lengthways into thin slices and place on a baking sheet. Roast under the hot grill on the second rack from above for 2-3 minutes until golden brown.
Spread the basil pesto on the bread strips.
Puree the soup finely. Season to taste with salt, sugar and pepper and serve drizzled with 2 tablespoons of olive oil. Serve with pesto bread.