Pre-heat oven to 300 degrees. Spray baking sheet with a non stick spray and spread out cubed bagels. Bake 10-15 minutes until cubes are lightly toasted, shaking about half way through for even toasting. While croutons are toasting, combine luttuce, onion, salmon, blue cheese and cashews. Add croutons when cooled and lightly toss with your favorite blue cheese dressing. Garnish with tomatoe wedges if desired. Salt and pepper to taste.