Seared Steak with Balsamic Red Onions
Adapted from Real Simple Magazine
1 1/2 lbs sirloin steak, about 1 1/2 in thick, cut into 2 in cubes
2 tsp salt
2 tsp pepper
3 tbs olive oil
1 med red onion, cut into 1/2 in slices
1/3 cup balsamic vinegar
Season steak with salt and pepper on all sides.
Heat 1 tbs oil in large non-stick pan over high heat.
Add steak in batches and cook 4-5 minutes for med-rare.
Remove steak from pan and cover to keep warm.
Reduce heat to med-high and add onion, tossing until crisp tender and lightly browned, about 5 minutes.
Add balsamic vinegar and cook 2 minutes more, or until reduced to a syrupy consistency.
Add the steak back into the pan and toss it with the onions and vinegar.