Protein Overnight Oats with Protein Powder

Ingredients

• 270 g (3 cups)rolled oats
• 40 g (¼ cup)chia seeds
• 80 ml (⅓ cup)plant-based protein powder
• 1.2 litres (5 cups)plant-based milk of your choice
• 120 ml (½ cup)maple syrup
• 30 ml (2 tablespoons)vanilla extract

Instructions

1. 1

   Blend the liquid

   Add the plant-based milk, protein powder, vanilla extract and maple syrup to a large mixing bowl. Blend with an immersion blender until no lumps are visible.

2. 2

   Add oats and chia

   Add the rolled oats and chia seeds to the bowl.

3. 3

   Mix thoroughly

   Stir until all the ingredients are evenly combined.

4. 4

   Chill overnight

   Transfer the mixture to a clean, sealed container and refrigerate overnight, for at least 6 hours. Serve the next day with toppings such as fresh fruit, berry compote, fruit coulis, or toasted coconut and nuts.

What are protein overnight oats?

Overnight oats are rolled oats softened in liquid in the fridge rather than cooked on the hob. This American-style take adds plant-based protein powder and chia seeds, making a substantial make-ahead breakfast or snack.

The blended milk mixture helps disperse the protein powder before the oats go in, while chia seeds thicken the oats as they soak. Maple syrup and vanilla add sweetness and flavour.

Nutrition and macros by portion

The nutrition label shows one serving as written: 256 calories, 18g protein, 34g carbs, 6g fat.

The oats and maple syrup provide most of the carbohydrates, while the protein powder contributes much of the protein. Chia seeds, protein powder and plant-based milk contribute fats, with amounts varying by product. Balance a serving with fresh fruit, or add a protein-rich yoghurt alternative if you want a more substantial meal.

Choosing the ingredients

Rolled oats: Use old-fashioned rolled oats for a soft but pleasantly chewy texture after chilling. Quick oats may become softer, while steel-cut oats need a different method and more soaking time.

Protein powder: Choose a plant-based powder you enjoy the taste of, since its flavour will come through in the finished oats. Blend it with the milk first to help avoid dry clumps.

Plant-based milk: Any unsweetened or sweetened variety can work. The recipe's maple syrup already adds sweetness, so consider that when choosing your milk.

Getting a smooth mixture

Blend first: Mix the milk, protein powder, vanilla and maple syrup until smooth before adding the oats and chia. This is the key step for distributing the powder evenly.

Stir again: Once the oats and chia are added, stir thoroughly so there are no dry pockets at the bottom or around the sides of the bowl.

Chilling and texture

Minimum time: Leave the mixture in the fridge for at least 6 hours; overnight gives the oats and chia time to absorb the liquid. The recipe lists 5 minutes of preparation, with chilling time in addition.

Doneness cue: The mixture should be thickened and the oats softened when ready to serve. If it seems firmer than you like, stir in a little more plant-based milk.

Serving the oats

Fruit toppings: Fresh fruit, berry compote or fruit coulis bring a bright, fruity contrast to the creamy oats. Add them just before serving.

Crunchy toppings: Toasted coconut and nuts add contrast to the soft texture. Keep toppings separate until serving if you want them to stay crisp.

Make-ahead portions

Batch prep: The recipe makes 10 servings, so divide the mixture among clean, sealed containers after stirring. That makes it easy to take out one portion at a time.

Sweetness: Maple syrup is part of the mixture, so this version is sweetened rather than sugar-free. You can adjust the amount next time if you prefer a less sweet result.

Recipe notes & tips

• Blend the protein powder into the milk before adding the oats to help prevent lumps.
• Stir well after adding the oats and chia so they are evenly distributed.
• Use a container with a tight-fitting lid for chilling.
• Wait at least 6 hours before serving so the oats and chia have time to soften and thicken the mixture.
• Add crunchy toppings just before eating to keep them crisp.
• Check the flavour of your protein powder when choosing how sweet you want the finished oats.

Variations

• Berry topping: Add fresh berries or berry compote just before serving.
• Coconut crunch: Scatter toasted coconut over each portion for a crisp finish.
• Nut topping: Add chopped nuts at serving time for extra crunch.
• Fruit coulis: Spoon fruit coulis over the oats for a fruity layer.
• Less sweet: Reduce the maple syrup to suit your taste.

Common mistakes to avoid

• Adding powder last: Protein powder can form lumps; blend it with the milk before adding the oats.
• Skipping the final stir: Uneven mixing can leave dry oats or chia; scrape and stir the whole bowl well.
• Chilling too briefly: The oats may remain firm; refrigerate for at least 6 hours.
• Using steel-cut oats: They will not soften in the same way with this method; use rolled oats as listed.
• Adding crunchy toppings early: They can lose their texture in the fridge; add them when serving.

How to store

Keep the oats covered in a sealed container in the fridge and use within 3–4 days. Stir before serving, and loosen with a splash of plant-based milk if needed; these oats are served chilled rather than reheated.

Frequently asked questions