Banana and whey overnight oats
The breakfast you prep the night before in two minutes: oats, milk and whey swell overnight into a creamy, protein-rich bowl ready when you wake up.
Nutrition values per serving, computed from the ingredients.
Ingredients
- check_circle80 g rolled oats
- check_circle250 ml semi-skimmed milk
- check_circle30 g vanilla whey protein
- check_circle1 banana
- check_circle16 g peanut butter
- check_circle1 teaspoon honey
Method
- 1In a jar, mix the oats, milk and whey.
- 2Mash half the banana and stir it in.
- 3Cover and refrigerate overnight.
- 4In the morning, top with the remaining sliced banana, the peanut butter and a drizzle of honey.
The breakfast you prep the night before
Overnight oats are rolled oats left to swell overnight in milk instead of being cooked. The result in the morning: a creamy bowl, ready to eat, with no pan. With whey, banana and peanut butter, this version comes in at 770 kcal, 49 g of protein and 105 g of carbs — a genuine mass-gaining breakfast, or a solid pre-workout meal.
The main benefit is time: two minutes of prep at night, zero in the morning. For many people that is the difference between skipping breakfast and getting 50 g of protein down before even leaving the house.
Tuning the calories to your goal
770 kcal is calibrated for bulking. To lighten it for cutting, drop the peanut butter and honey, switch to semi-skimmed or a low-calorie plant milk, and you easily go under 450 kcal while keeping over 40 g of protein thanks to the whey and milk.
Conversely, to turn it into a morning mass-gainer, add a second spoon of peanut butter, a handful of almonds or extra oats. The oats + milk + whey base stays the same: you play with the toppings to move calories up or down.
Texture and storage
The right ratio is about one part oats to a little over one part liquid: too much milk and it is soup, too little and it is dense. Add the whey at night with the rest, mash half a banana to sweeten it naturally, and seal the jar. Six to eight hours in the fridge is enough.
Overnight oats keep for 2 to 3 days in the fridge: make two or three jars at once to cover several mornings. Keep the crunchy toppings (almonds, peanut butter, fresh banana) for serving time.
Varying the flavours without changing the macros
Eating the same bowl every morning gets old fast. The oats + milk + whey base stays identical, you just change the flavour: chocolate whey with cocoa, vanilla whey with cinnamon, or a spoon of instant coffee for a 'latte' version. Berries, grated apple or mango replace the banana as you like, for similar carbs.
For toppings, rotate almonds, walnuts, chia seeds (which thicken the texture further), dark chocolate chips or a spoon of almond butter. Each variation keeps very similar macros: you break the monotony without recalculating your diet, which helps a lot with sticking to it long term.
What to pair it with
Want to vary your protein breakfast without any morning hassle? These recipes follow the same oats + protein logic.
Key takeaways
- 770 kcal, 49 g protein, 105 g carbs: a mass-gaining breakfast ready with no cooking.
- Drop the peanut butter and honey for a cutting version under 450 kcal, still protein-rich.
- Prepped the night before and keeps 2 to 3 days: ideal for several mornings ahead.
- Ratio ~1 part oats to a little over 1 part liquid for the right texture.
Frequently asked questions
Can you make overnight oats without whey?
Yes. Swap the whey for quark, skyr or Greek yogurt to keep protein high, or for more milk if your protein target is covered elsewhere. The texture will be slightly less thick without powder.
Do you eat them cold or can you warm them up?
They are traditionally eaten cold, straight from the fridge. You can microwave them for 30 to 45 seconds if you prefer a warm porridge — in that case add the whey after heating so you don't cook it.
Overnight oats or hot porridge for muscle building?
Both share the same nutritional strengths: oats, protein, slow carbs. Overnight oats win on convenience (no morning cooking), hot porridge on comfort. Choose based on your schedule.
Track your nutrition and progress
Log your workouts, your weight and your records — free, on mobile and desktop.