In medium bowl, mash beans and avocado, leaving a few chunky pieces. Stir in yogurt, mayonnaise, lime juice and oregano. Divide mixture evenly among tortillas and spread to edges. Top with spinach leaves. Spoon tuna across bottom 1/3 of each tortilla; drizzle with salad dressing. Top with radishes. Roll up from bottom, folding in sides.
Tip: You can use 2 (5oz) cans of tuna in place of the large can.
Serving Size: about 10oz each
Nutritional Information Per Serving:
Calories 430, Total Fat 16g (Saturated Fat 3.5g, Trans Fat 0g), Cholesterol 35mg, Sodium 1060mg, Carb 51g, Fiber 3g, Sugar 4g, Protein 27g, Calcium 20%, Iron 15%