Combine the marinade ingredients in a ziptop bag, then add the London broil. Allow to marinate for at least one hour or overnight.

Broil for 10 minutes per side or until desired degree of doneness.

Cut one sweet potato into small pieces. Add olive oil, salt, and pepper. Roast on 400 degrees Fahrenheit for 20 minutes.

Shake the dressing ingredients to mix.

Combine spinach, onion, sweet potato, London broil, and dried cranberries or oranges in a large bowl. Add dressing just before serving. Sprinkle slivered almonds on top.