2 scoops vanilla protein powder
2 tbsp sugar-free instant butterscotch pudding mix (dry)
1 tbsp natural peanut butter (smooth or chunky)
8 oz. water (or low-fat milk)
3-6 ice cubes

Add all ingredients to blender, whip, and serve. Nutritional Information for added ingredients (excludes protein powder & use of milk:

Calories - 121 Carbohydrates - 7g Protein - 4g Fat - 8g
Fiber - 1g

Looks easy, sounds like it may be pretty decent. Let's give it a shot