Marinated Tofu Sandwich

Ingredients

• Vinaigrette:
• 2 tablespoons low-sodium soy sauce
• 1 teaspoon whole grain mustard
• 1 tablespoon sesame seeds
• 1 teaspoon toasted sesame oil
• 2 limes, juiced (approximately 4 tablespoons)
• 1/2 cup olive oil
• 1 tablespoon honey
• Sandwich:
• 1 package (14 ounces) firm tofu, drained and sliced
• 1/2 cup carrot, peeled and thinly sliced
• 1/2 cup golden beets, peeled and thinly sliced
• 2 stalks celery, thinly sliced
• 1/4 cup fresh cilantro, chopped
• 1 scallion, thinly sliced
• 4 whole wheat hamburger buns
• 1 head lettuce (bibb or romaine), rinsed and dried
• 4 teaspoons mustard (optional)