Wilted Spinach Salad

This recipe is from the Dec issue of Bon Appetit.

1 bag baby spinach
1 red onion
4-5 oz. feta cheese
4-5 tbs. olive oil
2-3 tbs. sherry vinegar (you could use red wine vinegar too)
salt and pepper

Place spinach in large bowl.
Cut onion in half and then into 1/2" slices. Saute onion over medium heat in 2 tb olive oil until soft and lightly browned. Add onions to spinach and toss well.
Add remaining olive oil, sherry vinegar and feta cheese to pan and allow feta to soften and melt slightly. Add salt and pepper to taste.
Pour feta mixture over spinach and toss again well.

-tresjolie