Ingredients

• 4 cups lettuce (romaine, red leaf, lettuce and spinach)
• 1 cup tomatoes, coarsely chopped
• 1 (15 -16 ounce) can great northern beans, drained (white kidney beans or navy beans)
• 1 (6 ounce) can tuna in water, drained
• 1 tablespoon olive oil
• 1 tablespoon water (or 1 tbsp olive oil, I use water to cut down on fat)
• 1 tablespoon red wine vinegar
• 1 tablespoon Dijon mustard
• 3 tablespoons red onions, chopped