I used a vanilla pea protein powder, but you can use whey. I do not recommend anything other than vanilla!
Serving: 1cookie / Calories: 152kcal / Carbohydrates: 14g / Protein: 9g / Fat: 7g / Saturated Fat: 4g / Polyunsaturated Fat: 0.2g / Monounsaturated Fat: 2g / Trans Fat: 0.2g / Cholesterol: 37mg / Sodium: 137mg / Potassium: 56mg / Fiber: 0.4g / Sugar: 10g / Vitamin A: 177IU / Calcium: 66mg / Iron: 0.2mg