Roasted Asparagus With Balsamic Vinegar

2 lbs asparagus spears (trim or peel any stalks that seem tough) 1 tablespoon olive oil 1/4 teaspoon salt (I use kosher salt) 1/8 teaspoon black pepper 2[...]

40 asparagus spears , trimmed (about 2 pounds) cooking spray 1/4 teaspoon kosher salt 1/8 teaspoon fresh ground black pepper 2 tablespoons butter 2 teaspoons[...]

2 tablespoons balsamic vinegar 1 small shallot , very finely minced kosher salt 1 bunch asparagus , trimmed and cut into two inch pieces 1 tablespoon extra[...]