Scallops with breadcrumbs

16 st jacques scallops 180 ml double cream 2 tablespoons sherry wine 1 1/2 teaspoons lemon juice 1/2 teaspoon vegetable stock powder 1/2 teaspoon garlic[...]

1 lb sea scallops 8 tablespoons butter 3 ounces dry white wine 1/2 lb mushroom , sliced 1/2 cup onion , chopped 3 tablespoons flour 3 ounces sherry wine 1 cup[...]