Spicy chorizo & bean soup

Ingredients

• 1 large white onion, peeled & finely sliced
• 2 fat cloves of garlic, peeled & finely cut up
• 1 teaspoon of smoked paprika, the Picante version
• 2 celery stalks, cleaned & some treads pulled away , cut up in fine slices
• 2 tomatoes, washed, dried, cut up in chunks
• 1 tin of large white beans, salt washed off & thoroughly drained
• black pepper
• 1 litre of chicken stock
• 150 gr of finely sliced Chorizo, the mild version
• 2 tablespoons of olive oil