Mandarin Spinach Salad

2 Tbsp white wine vinegar
3 Tbsp honey
1 tsp mustard
1/2 tsp celery salt
1/2 tsp paprika
1/4 cup olive oil
4 cups spinach
1 15 oz can mandarin oranges, drained
1 bunch green onions, diced

Combine first 6 ingredients. Pour over spinach. Top with oranges and onions.