Apple Bircher muesli

Invented by a Swiss doctor over a century ago, Bircher muesli is the ancestor of overnight oats: rolled oats soaked overnight in milk and yogurt, with grated apple. This version comes in at 525 kcal, 17 g of protein, 84 g of carbs and 12 g of fibre — a nourishing, filling breakfast, ready with no cooking.

At 525 kcal, it is a generous breakfast, leaning toward balance or an active day. To lighten it, reduce the nuts and honey and load up on apple and yogurt. For more protein (17 g, a bit low for a lifter), add a scoop of whey or swap the plain yogurt for skyr. The apple and oats stay the base.

Mix oats, milk and yogurt at night, add the grated apple (with a squeeze of lemon so it doesn't brown), and leave it overnight in the fridge. In the morning, the oats have swollen into a creamy texture. Add the nuts and a drizzle of honey at serving time to keep the crunch. It keeps 2 days in the fridge.

In Bircher, the grated apple is not just there for taste: it naturally sweetens the bowl, avoiding added sugar, while providing pectin, a soluble fibre that prolongs satiety and helps regulate blood sugar. It is this oats + apple + dairy combination that explains this breakfast's filling power despite its lightness.

Finely grated, the apple melts into the mix and soaks it through overnight; in pieces, it adds crunch. You can swap it for pear in autumn, add berries, banana or dried fruit (raisins, apricots) depending on the season and your cravings. The base stays the same, the fruit steers the sweetness and carbs.

Bircher lends itself to a thousand variations without losing its identity. For the milk, semi-skimmed can be replaced with whole milk for more creaminess, skimmed milk to lighten, or a plant drink (oat, soy, almond) if you avoid dairy. Plain soy yogurt or another plant-based yogurt also works. For a thicker texture, cut the milk by 20 to 30 ml; for a looser result, add a few spoonfuls of milk in the morning.

As for toppings, classic walnuts happily make way for flaked almonds, toasted hazelnuts, pumpkin or sunflower seeds. A spoonful of chia seeds or ground flax thickens the mix and brings omega-3s and fibre. Fresh or thawed berries, pear, mashed banana or a few diced mango pieces completely change the flavour. A hint of vanilla, a lemon or orange zest and a pinch of cardamom in place of cinnamon give very fragrant variations.

For sweetness, honey can be replaced with maple syrup, agave syrup or simply left out if your apple is sweet enough. The bowl already contains about 35 g of sugars, mostly from the fruit and the dairy, which is consistent with the announced 525 kcal. If you want to cut free sugar, remove the honey and let the fruit do the work; you can also choose a sweeter apple variety such as gala or golden rather than a tart one.

The first mistake is choosing flakes that are too fine or instant: they turn gluey after a night. Prefer classic, thick rolled oats, which keep some chew and a lovely creamy texture. The second trap is using too much liquid, or on the contrary too little. With 60 g of flakes, 100 g of yogurt and 100 ml of milk, the mix should be thick but moist; if it looks too dry in the morning, a spoonful of milk is enough to rebalance it.

For storage, put the bowl or an airtight jar in the fridge, well covered. It keeps 2 days, as indicated in the recipe. Beyond that, the apple oxidises and the texture becomes less pleasant. To prepare several mornings ahead, make the base without apple or toppings and add the grated apple each evening or morning. Straight from the fridge, Bircher can be eaten as it is; if you prefer it less cold, let it sit five minutes at room temperature before topping.