Gazpacho with cheesy pesto croutons

Name: Gazpacho with cheesy pesto croutons
Ingredients: 1kg very ripe tomatoes chopped; ½ cucumber diced; 1 green pepper diced; 1 clove garlic chopped; 3 tbsp extra-virgin olive oil plus extra to serve; 4 tbsp sherry vinegar plus a little extra; a few dashes Tabasco; 1 tsp caster sugar; crushed to make ¼ tsp black peppercorns; 1 tbsp sea salt flakes plus a little extra; a small bunch basil chopped; 2 thick slices sourdough cut into chunky croutons; 2 cloves garlic bashed; 2 tbsp extra-virgin olive oil; 4 tbsp fresh pesto; 50g manchego (or veggie alternative) finely grated