Apple & Cashew Salad - cooking recipe

Ingredients

1 head lettuce (I have used iceburg, romaine or those prepackaged bags of mixtures)
1/2 bag spinach
4 small apples or 2 large apples, cored and sliced
1/2 lb grated swiss cheese (I have also used cheddar)
1 (14 ounce) can cashews
Dressing
3/4 cup sugar
1 teaspoon dry mustard
1/3 cup cider vinegar
1 tablespoon chopped onion
1 cup salad oil

Preparation

Whisk dressing ingredients.
Mix lettuce and spinach in large bowl and combine with dressing.
Toss with apples, cheese and cashews.