Protein overnight oats that do not set like concrete

Overnight oats at 39 g protein without the cement texture. The ratio that keeps them spoonable, and why protein powder is the thing that ruins them.

·Andreas Stratigis·Certified nutritionist
A jar of overnight oats topped with fresh berries on a light surface
Photo by Emma Johnson on Unsplash
Prep
5 min
Cook
0 min
Total
5 min
Makes
2

Adjust this recipe

Servings
2

Ingredients

  • 100 g rolled oats, not instant
  • 300 g Greek yogurt
  • 200 ml milk, plus a splash more in the morning
  • 30 g whey protein powder, vanilla works best
  • 24 g chia seeds
  • 4 tsp sugar
  • 120 g berries, fresh or frozen
  • 2 pinch salt

Method

  1. Whisk the protein powder into the milk first, on its own, until there are no lumps. This is the whole trick. Tip powder onto oats and you get dry pockets that never hydrate.
  2. Stir in the yogurt, sugar and salt. It will look too loose. It is supposed to.
  3. Fold in the oats and chia seeds. Chia keeps absorbing for hours, which is why the mixture needs to start wetter than you think.
  4. Divide between two jars, top with the berries, and refrigerate for at least 4 hours or overnight.
  5. In the morning, stir in a splash of milk to loosen. Frozen berries thaw into the oats overnight and release a little juice, which helps.

Most protein overnight oats recipes have the same problem. You add the protein powder, and by morning the jar contains something closer to grout than breakfast. You eat it because you made it, and you do not make it again.

The fix is not a different powder. It is the order you put things in the jar, and starting wetter than feels right.

Why they set like concrete

Two things are pulling water out of the mix overnight, and most recipes only account for one.

Oats absorb. Everyone knows this and every recipe allows for it.

Protein powder also absorbs, and whey in particular thickens as it hydrates. Add 15 g of powder to a ratio designed for plain oats and you have removed liquid the recipe was relying on. Chia seeds are the third culprit and the sneakiest, because they carry on absorbing for hours after the oats have finished.

That is why this uses 100 ml of milk per serving rather than the 60 to 80 most recipes suggest, and why you loosen it again in the morning.

Dissolve the powder first, always

Whisk the protein powder into the milk on its own, before anything else goes in.

Tip it straight onto oats and it clumps around them. Those clumps never hydrate, so you get chalky pockets scattered through an otherwise fine breakfast. Thirty seconds with a fork at the start prevents it completely.

Vanilla whey behaves better than chocolate here, which tends to go slightly bitter against the yogurt.

The texture check

When you put the jars in the fridge, the mixture should look too loose, like you have made a mistake. Slightly pourable. If it looks right in the evening it will be solid by morning.

Getting the protein higher without wrecking it

At 39 g per serving this is already doing most of the work. If you want more, add another 10 g of yogurt rather than more powder. Yogurt brings water with it; powder takes water away. That distinction is the difference between a jar you look forward to and one you force down.

The sugar swap above the ingredients takes off a few grams of carbs. It is a small change and the honey is mostly there for flavour, so use it if you prefer the taste rather than for the macros.

Macros are estimates worked out from typical ingredient values rather than measured, and they move with the yogurt and powder you buy.