Roasted Asparagus - With pasta

2 1/2 lbs medium asparagus , ends trimmed, stalks peeled, and cut in half 1 large vidalia onion, peeled, cut in half, and thinly sliced 3 tablespoons extra[...]

1 lb bow tie pasta 1 lb asparagus , ends trimmed olive oil , for drizzling kosher salt fresh ground black pepper 1 shallot , finely chopped 1 garlic clove ,[...]