San Francisco Swordfish Cakes with Spicy Brown Mustard Mascarpone

Name: San Francisco Swordfish Cakes with Spicy Brown Mustard Mascarpone
Ingredients: 3 to 5 slices sourdough bread; 2 tablespoons finely grated Parmesan cheese (canister not fresh); 1/2 teaspoon lemon pepper seasoning; 2 green onions; 2 celery sticks, (1/2 cup chopped celery); 1 teaspoon fresh thyme; 1 clove garlic; 1 teaspoon lemon zest; 1.5 pounds swordfish, rinse, pat dry, cut 1-inch chunks; 2 teaspoons tamari sauce; 1/2 teaspoon sea salt; 1 egg white; 2 tablespoons light tasting olive oil; 4 ounces Mascarpone cheese, soften; 2 tablespoons Spicy Brown Mustard; 2 tablespoons chopped fresh chives