Scrumptious Spanish chickpea and chorizo soup

Name: Scrumptious Spanish chickpea and chorizo soup
Ingredients: olive oil; 150g chorizo sausage, finely chopped; 1 onion, peeled and finely chopped; 1 clove of garlic, peeled and finely chopped; 2 sticks of celery, finely chopped; 500g fresh spinach, washed and chopped; 8 fresh tomatoes, deseeded and roughly chopped; 1 x 410g tin or jar of good-quality cooked chickpeas, drained; 1.3 litres chicken stock; sea salt and freshly ground black pepper; 55g pata negra, Spanish ham or prosciutto, finely chopped; extra virgin olive oil; 2 hard-boiled eggs