Sicilian Couscous with Shrimp

Name: Sicilian Couscous with Shrimp
Ingredients: 2 cups couscous (quick cook couscous may be substituted, stock may need to then be reduced); 1/4 cup and 2 tablespoons olive oil; Salt and ground black pepper; 1 small onion, diced, about 1/2 cup; 1/4 teaspoon saffron; 1 tablespoon tomato paste; 1/4 teaspoon red pepper flakes, more if desired; 2 1/2 cups hot fish stock enriched with shrimp shells (see recipe below); 1/2 pound fresh small shrimp, peeled and deveined; 1/2 pound calamari, cleaned and cut into rings; 1/4 cup shelled almonds, ground in processor very fine