Protein Coffee: How to Add Protein to Coffee
For a lot of Australians, the morning starts with a coffee and not much else. If you are rushing out the door, protein coffee is a simple upgrade. Blending plant protein into your daily brew gives you a creamy, café-style drink with extra staying power. Done right, it tastes like a flavoured latte. Done wrong, it is a lumpy mess. Here is how to get it right.
Why Add Protein to Coffee?
Coffee on its own has almost no protein, so if it is your whole breakfast you may be hungry again within an hour. Adding a scoop of plant protein turns your coffee into something more like a small meal. It is a handy option for busy mornings, for people who are not hungry first thing, or as a mid-afternoon pick-me-up. A flavoured powder such as salted caramel also replaces the syrup a café would add, so you get the flavour without extra sugar.
Hot vs Iced: What Works
Protein powder behaves differently in hot and cold coffee.
- Iced coffee is the easiest. Cold liquid dissolves plant protein smoothly, and a quick shake gives a thick, creamy drink.
- Hot coffee needs more care. Pouring powder straight into very hot coffee can make it clump or turn grainy, because the heat sets the protein before it dissolves.
The fix for hot coffee is to mix the powder with a little milk first and let your coffee cool slightly before combining. Coffee just off the boil is around 90°C. Letting it sit for a minute or two helps a lot.
How to Mix Protein Coffee Without Clumps
- Make a paste. Put 1 scoop (30 g) of protein powder in your mug and add 2 to 3 tablespoons of cold or room-temperature milk. Stir until smooth.
- Add warm milk. Stir in 1/2 cup warmed (not boiling) milk.
- Pour in the coffee. Add a shot or two of espresso or 1/2 cup brewed coffee, stirring as you pour.
- Froth it. For a café finish, use a handheld milk frother for 15 seconds.
For iced coffee, simply shake the powder with cold milk in a shaker or jar, then pour it over ice and add the coffee.
Three Ways to Try Protein Coffee
1. Salted caramel protein latte (hot)
- 1 scoop salted caramel plant protein
- 3/4 cup warm plant milk
- 1 double shot of espresso
Make a paste with the powder and a little milk, add the remaining warm milk, then the espresso. Froth and dust with cinnamon.
2. Iced caramel protein coffee
- 1 scoop salted caramel plant protein
- 3/4 cup cold plant milk
- 1 shot espresso, cooled
- Ice
Shake the powder and milk until smooth, pour over ice and top with the espresso.
3. Blended protein frappé
- 1 scoop salted caramel plant protein
- 1/2 cup cold brew coffee
- 1/2 cup plant milk
- 1 frozen banana and 1 cup ice
Blend until thick and creamy. It is a great summer breakfast on the go.
Common Mistakes
- Dumping powder into boiling coffee. This is the main cause of lumps. Always make a paste first.
- Using too little liquid. One scoop needs at least 3/4 cup of total liquid to stay smooth.
- Skipping the shake or froth. A spoon alone rarely gets a perfectly smooth result in cold drinks.
- Using an unflavoured, chalky powder. A smooth, flavoured plant powder makes the biggest difference to taste.
- Drinking it as your only food all day. Protein coffee is a handy boost, but it is not a replacement for regular meals.
When to Drink Protein Coffee
There is no single right time, but a few moments work especially well. First thing in the morning, a protein latte can stand in for a light breakfast when you are not hungry yet. After an early run or gym session, an iced protein coffee gives you a cold drink and a serve of protein in one. And in the mid-afternoon, it can replace a sugary snack when energy dips. If caffeine late in the day affects your sleep, use decaf and keep the protein.
Choosing a Powder for Coffee
Look for a powder that dissolves easily in cold milk and has a flavour that suits coffee. Salted caramel, vanilla and chocolate are the most popular. Plant-based powders work well with oat, soy and almond milk, and they do not curdle the way some dairy proteins can in acidic coffee.
Quick FAQ
Can you put protein powder in hot coffee? Yes, but mix it into a paste with a little milk first and let the coffee cool slightly.
Does protein coffee break a fast? Yes. Protein powder contains energy, so it is not suitable during a fasting window.
What is the best milk for protein coffee? Oat and soy milk froth best and give a creamy, café-like texture.
The Protein for Your Coffee
Our Salted Caramel Flavoured Protein Powder was made for drinks like these. It is plant based, mixes smoothly into cold and warm milk, and gives your coffee a sweet caramel note without a syrup. Try it in tomorrow's iced coffee and see if it becomes your new morning habit.
