Pour the milk and protein powder into a glass. Use a milk frother or whisk to mix until dissolved and frothy.Note: if using a shaker bottle, pour the protein and milk into the bottle, cap it, and shake hard for 5-10 seconds until fully mixed in. Then pour the protein milk into your serving glass.
Pour the espresso into the protein milk.
Add ice and serve.
Notes
Nutrition facts are based on whole milk and one scoop of protein powder. If you choose to use 2 scoops, protein will be increased to 26 grams and the carbs and fat stay the same. If you opt for a plant-based milk swap, protein and carbs will both be lower.