Gather your ingredients to ensure you have everything on hand for quick preparation.
Brew a shot of espresso and allow it to cool slightly; you can use strong brewed coffee as an alternative.
In your blender, combine the unsweetened non-dairy milk, chocolate protein powder, rolled oats, cocoa powder, peanut butter, vanilla extract, sea salt, frozen banana, espresso, and ice.
Blend on high speed until all ingredients are well combined and creamy. Stop and scrape down the sides as needed.
Taste your smoothie and adjust sweetness if necessary with honey or maple syrup.
Pour the smoothie into a glass and enjoy immediately. Optionally, top with cocoa powder or a drizzle of peanut butter.
