Seared Scallops With Fennel without vinaigrette shells

2 sweet potatoes, peeled and cubed 2 tablespoons butter 1 tablespoon all-purpose flour 1 (1/4 inch thick) slice fresh ginger 1 1/2 cups vegetable broth 1[...]

1 large jalapeno pepper, seeded and membranes removed 1/4 cup rice vinegar 1/4 cup olive oil 1/4 teaspoon Dijon mustard salt and freshly ground black pepper[...]