Heat the oven to 200°C (180° fan) 400°F gas 6. Grease a baking tray.
Rub the bread slices with the cut cloves of garlic and drizzle with 2 tablespoons olive oil. Put on othe baking tray and cook for 5-8 minutes, until golden.
Put the olives, capers, pine nuts, tomato paste, vinegar and remaining olive oil into a blender and process to a paste. Season to taste with pepper.
Spread on the bread slices and garnish with sliced tomatoes and coriander leaves.