1 small bunch fresh basil leaves, torn
2 cloves garlic, roughly chopped
1 red pepper, halved, de-seeded, roughly chopped
800g/1lb 8Β½oz plum tomatoes, roughly chopped
3 tbsp olive oil, plus extra for drizzling
1 litre/1ΒΎpints vegetable stock
4 slices French bread, toasted