Zanzibari Fish Soup

Name: Zanzibari Fish Soup
Ingredients: olive oil; sesame oil; 2 shallots, peeled and diced; 10-12 fresh cilantro leaves and stems, coarsely chopped; 2 tablespoons fresh ginger, peeled and diced; 1 bay leaf; 4-6 spring onions, white and light green parts thinly sliced; small red pepper, finely diced; zest of one lime and thin slices for garnish; 1 1/2 cups fish or shrimp stock; 1/2 cup white wine; 1 15 oz can of coconut milk; 1/2 pound firm white fish (cod, tilapia, or similar) cut into 3/4 dice; 10-12 mussels; 1/4 pound shrimp, peeled and cut into bite-sized pieces; salt and pepper to taste; pinch of saffron (optional); cayenne pepper for spicier flavor (optional)