Vegetable oil, for the baking dish 1 cup apple cider 2 Tbsp.packed dark brown sugar 2 tsp.soy sauce 1 1/2 tsp. freshly grated ginger (from a 3/4-inch piece) 1/4 tsp. paprika 5 garlic cloves, grated 6 Tbsp. salted butter Juice of 1 lemon 1 (2-pound) piece center-cut salmon, skin removed 2 tsp. kosher salt 3/4 tsp. black pepper 1 1/2 lb. small red-skinned potatoes, quartered 1 lb. green beans, trimmed  Preheat the oven to 400˚F. Oil a 9-by-13-inch baking dish. For the glaze:
