Mandarin Orange Spinach Salad with Poppy Seed Dressing

Ingredients
- ## Salad
- Baby spinach
- 1 iceburg lettuce head
- Shredded Swiss cheese
- Mandarin oranges
- ## Dressing
- 3/4 tbsp red onion
- 3/4 cup salad (vegetable) oil
- 1/2 cup vinegar
- 1/2 cup sugar
- 3/4 tsp salt
- 1/2 tsp dry mustard
- 3/4 tbsp poppy seeds
Instructions
- Toss salad ingredients.
- ## Dressing
- Whisk dressing ingredients together.
- Dress salad and serve.