Red Cabbage and Sausage Soup

Name: Red Cabbage and Sausage Soup
Ingredients: 1 cup black-eyed peas, uncooked (or 2 cups cooked); 1 bay leaf (if using uncooked peas); Salt, to taste; 2 tablespoons olive oil; 4 garlic cloves, chopped; 2 leeks, chopped; 2 tablespoons cornstarch; 6 cups vegetable stock, divided; 1 pound red potatoes, cut into 1/2-inch pieces; 1/2 pound pork sausages, cooked then sliced into 1/2-inch pieces; Pepper, to taste; 1/2 pound red cabbage, shredded; 1/2 cup heavy cream; Smoked paprika, to garnish