Avocado Tuna Salad – Choose Homemade

Ingredients

• 1 avocado, diced
• 1/3 cup plain non-fat Greek yogurt
• 1 Tbsp apple cider vinegar
• 1 tsp cumin
• 2 (6 oz) cans chunk light tuna in water, drained
• 2 ribs celery, diced
• 1 small red onion, diced
• 1 red apple, chopped
• 1/4 cup chopped walnuts
• 12 slices 100% whole wheat bread