Arugula Salad with Tofu Croutons

Ingredients

• Dressing
  1 unit
• balsamic vinegar
  1/4 cup
• Tbs. Dijon-style mustard
  1 unit
• salt
  1/2 tsp
• freshly ground black pepper
  1/2 tsp
• olive oil
  1 cup
• Croutons
  1 unit
• firm tofu

  cut into 1-inch cubes
  6 oz
• red onion

  sliced
  1 small
• Salad
  1 unit
• arugula

  washed and dried
  3 bunches
• sliced domestic Mushrooms
  1 cup
• medium-sized cucumber

  peeled, seeded and sliced
  1 unit
• cherry tomatoes

  halved
  1 pint