Spinach Salad without refried canola back

1/4 cup diced red onion 2/3 cup white sugar 1 teaspoon ground black pepper 1/2 teaspoon celery salt 1 tablespoon mustard powder 1 cup vegetable oil 1/3 cup[...]

1 head iceberg lettuce , torn 1 package baby spinach leaves 1/2 small red onion , thinly sliced 10 white mushrooms , sliced 1/2 lb grated swiss cheese 1/2-1[...]

1 head iceberg lettuce , torn 1 package baby spinach leaves 1/2 small red onion , thinly sliced 10 white mushrooms , sliced 1/2 lb grated swiss cheese 1/2-1[...]