Herb Roasted Leg of Lamb With Balsamic Onions

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   ["In a bowl, mix onions with 2 tablespoons olive oil and the balsamic vinegar.", "Sprinkle lightly with salt and pepper.", "Let stand at least 5 minutes, stirring occasionally.", "Meanwhile, trim the discarded excess surface fat from lamb.", "With tip of paring knife cut 6 slits 1/2 inch deep around the leg and insert garlic slivers.", "Rub lamb with 1 tablespoon olive oil and the lemon juice, then pat rosemary leaves and oregano onto meat.", "Sprinkle with salt and pepper.", "Place lamb in a 11"" x 17"" roasting pan.", "Spoon onions and marinade on and around lamb.", "Roast in a 375 degree F oven.", "Bake for approximately 1 hour and 10 minutes for medium rare or 115 degrees F on meat thermometer.", "If drippings begin to burn, add water, 1/4 cup at a time as needed.", "Transfer lamb to a board or platter and let stand for 10 to 15 minutes.", "Keep onions warm in a pan while lamb rests.", "Slice meat and serve with juice.", "Spoon onions and juice around lamb, garnish with rosemary sprigs.", "Add salt and pepper to taste."]

* Per serving · 4 servings · Values may vary.