Best Mussels on Earth

Name: Best Mussels on Earth
Ingredients: 3 tablespoons olive oil; 1 teaspoon red pepper flakes; 1/2 pound chorizo, finely diced; 1 onion, diced; 1/2 bulb fennel, cored and sliced; 3 tablespoons minced garlic; 1 pinch saffron; 1 cup white wine; 1/2 cup vegetable stock; 2 pounds mussels, cleaned and beard removed; 1 pint cherry tomatoes, halved; 2 tablespoons chopped chives; 2 tablespoons chopped parsley leaves; 1 lemon, juiced; 1 1/2 tablespoons salt; 1 tablespoon freshly ground black pepper; Crusty bread, for serving