3 tbsp. white vinegar
1 tsp. Dijon mustard
1/2 tsp. black pepper
1 tsp. sugar
1/2 tsp. salt
1/4 c. salad oil
Chop bacon into bits, fry crisp, drain and set aside. Wash spinach and remove stems. Core and thinly slice unpeeled apple. Slice green onions with tops. Toss all together with bacon in salad bowl.
In small bowl whisk together vinegar, sugar, mustard and salt and pepper. Beat in oil until blended. Just before serving pour dressing over salad and toss well.