1 To make the dressing, pour the balsamic vinegar into a bowl and slowly whisk in the olive oil. Once the oil has been incorporated, mix in the finely chopped garlic and basil leaves and season with salt and freshly ground black pepper.

2 Using a sharp knife, remove the stem ends from the tomatoes. Slice the tomatoes into wedges and place in a large salad bowl. Dice the avocados into large cubes and add to the tomatoes. Add the mozzarella cheese slices.

3 Add the dressing and gently mix together. Season to taste with salt and freshly ground pepper and serve at once with crusty bread.