Mediterranean seafood rice with chorizo

Name: Mediterranean seafood rice with chorizo
Prep time: 35 min
Cook time: 1 h 5 min
Total time: 1 h 5 min
Yield: 6 portions
Ingredients: 400 g fresh mussels, shells scrubbed and debearded; 160 g onions; 2 garlic cloves; 40 g olive oil; 200 g raw squid rings; 200 g mixed peppers; 50 g spicy chorizo; 400 g canned whole tomatoes; 1 ½ tsp salt; 2 pinches saffron threads; 200 g water; ½ tsp chicken stock paste, homemade; 350 g white short-grain rice, for soup; 50 g raw prawns, peeled; 1 lemon