Stuffed Swordfish

Name: Stuffed Swordfish
Ingredients: 1⁄2 teaspoon minced garlic, plus a pinch; 1⁄2 teaspoon minced shallot; 1⁄4 teaspoon crushed red pepper flakes; 2 -3 cubes butter; 2 ounces wild mushrooms, sliced (shiitake, oyster); 1 ounce raw shrimp, diced; 3 -4 ounces dry white wine; 1 teaspoon chopped scallion; 1 ounce crabmeat; 1 ounce toasted breadcrumb; salt and pepper; 1 (7-ounce) piece swordfish; 1⁄3 cup all-purpose flour; 3 tablespoons clarified butter; 2 -3 ounces fish stock; 1 teaspoon lemon juice; 1 teaspoon chopped fresh parsley; garlic mashed potatoes, for serving