1 (10 ounce) package frozen chopped spinach, thawed and drained
1 cup chopped celery
1 cup chopped celery
1 cup chopped onion
1 cup chopped onion
1 cup chopped celery
1 cup chopped green bell pepper
1 cup chopped green bell pepper
1 cup chopped sweet onion
1 cup sliced green olives
Boil spinach in a large pot until almost cooked; drain. Drain, reserving 1/3 cup water.
Heat oil in large skillet over medium heat. Pour in spinach, celery, onion, celery, onion, bell pepper, green pepper, and sweet onion. Simmer 20 minutes, stirring occasionally.
Stir in green olives and serve.