Warm French Lentil Salad

I got this recipe out of Good Housekeeping.

1 c. French green lentils ( I used regular green) rinsed
3 sprigs fresh oregano
Cook these is 3 cups boiling water until liquid is gone ( about 30 minutes)

1 c. chopped onion
3 stalks celery, chopped
1 yellow and one red bell pepper, chopped
2 Tbs. olive oil
salt and pepper
3 Tbs. red wine vinegar
1 Tbs. fresh dill, chopped
1 tsp. chopped fresh oregano
6 oz. baby spinach
2 oz. feta

Cook onion and celery in 1 Tbs. olive oil for 7 minutes. Add peppers, 2 Tbs. water, 1/4 tsp salt and 1/4 tsp. pepper. Cook for 5 minutes
Discard oregano sprigs from cooked lentils, transfer to a bowl and add 1 Tbs. olive oil, red wine vinegar, dill, oregano and another 1/4 tsp. salt and pepper. Add onion and pepper mixture to this and divide spinach among 4 plates, top with lentil mixture and sprinkle with feta.
 YUM!!