Fill a large, deep skillet 1/2 way with water. Bring the water to a steady simmer and add the sausages. Poach the sausages for 6 to 7 minutes, until firm.
Drain the sausages and slice into bite-size pieces. In a large skillet, heat 2 tablespoons olive oil. When hot, add the sausage and cook until brown. Drain off the fat and add the balsamic vinegar. Simmer until vinegar is reduced and syrupy. Serve immediately.
Recipe courtesy of Michael Chiarello