Simple Bean Soup from El Bulli (world's all time greatest restaurant!)

Ingredients

For 4 servings

• 1 tbsp extra virgin olive oil
• 1 garlic clove ((large), minced)
• 1 brown onion (, (1 large, 2 small), finely chopped (~180g/6oz))
• 1/4 tsp fresh thyme (, chopped (sub 1/8 tsp dried))
• 1/4 tsp fresh rosemary (, chopped (sub 1/8 tsp dried))
• 1 bay leaf (, fresh (or 1/2 dried))
• 1/3 cup tomato passata ((Note 1))
• 4 x 400g/14oz cans cannellini beans (, drained (Note 2 for dried))
• 3 cups vegetable stock
• 1 cup fresh parsley leaves (, roughly chopped (ie chop then lightly pack in))
• 1 garlic clove ((medium), roughly chopped)
• 2 tbsp extra virgin olive oil
• 1/4 cup whole hazelnuts (, skin on (or almonds))
• 1/2 tsp cooking / kosher salt ((or 1/4 tsp table salt) (Note 4))