Discover how to make an easy iced protein coffee at home with cold brew or instant espresso, a protein shake, and your favorite flavoring.
Fill a large glass or mason jar with 2 cups of ice.
Pour in the cold brew coffee. If using instant espresso, dissolve 3 teaspoons of instant espresso in 1½–2 cups cold water before adding it to the glass.
Add the 11.5-ounce protein shake.
Stir in a shot of flavored coffee syrup or a splash of flavored coffee creamer to taste.
Mix everything together with a straw or spoon until well combined.
Enjoy immediately!