Preheat oven to 400°. Place bread cubes in a bowl. Combine margarine and dry Italian dressing, drizzle over bread cubes. Bake for 10-15 minutes or until golden brown. Cool.
Dice bacon and cook until crisp. Drain.
In a bowl, combine lettuces, tomatoes, green onions, and bacon.
In a separate bowl, whisk together coleslaw dressing and salad dressing. Drizzle over salad and toss gently. Add croutons and toss again.