There is a real satisfaction in pulling a tray of your own granola from the oven, all golden edges and toasty smell, knowing exactly what went into it and that it cost a fraction of the fancy boxes. The one thing to hold in your head is that granola never feels crisp when it comes out. It firms up as it cools, so resist the urge to stir it and you will be rewarded with proper crunchy clusters.
Homemade Granola
Makes Serves 10 to 12 (makes about 750g, fills a 1.5-litre jar)
Prep
10 min
Cook
30 min
Total
40 min
Makes
Serves 10 to 12 (makes about 750g, fills a 1.5-litre jar)
Ingredients
Dry
Wet
To fold in after baking
Method
- 1
Heat the oven to 160°C fan (180°C conventional, gas 4) and line two baking trays with parchment.
- 2
Tip the oats, chopped nuts, seeds, salt, cinnamon and ginger into a large bowl and mix well.
- 3
Warm the oil and honey together in a small pan or the microwave for 30 to 40 seconds, just until they pour freely, then stir in the vanilla.
- 4
Pour the warm wet mix over the dry ingredients and toss thoroughly until every flake, nut and seed is coated.
- 5
Divide between the two trays and spread into a thin, even layer, then press down lightly with the back of a spoon to encourage clusters.
- 6
Bake for 30 minutes in total, turning and re-spreading the granola once at the halfway point so the underside toasts, until an even golden brown.
- 7
Leave the trays to cool completely without stirring, so the clusters set firm as they cool.
- 8
Once stone cold, fold through the dried fruit and transfer to an airtight jar. It keeps for 3 to 4 weeks.
Cook’s notes
- It will look underdone and feel soft when it leaves the oven. That is correct, and it hardens as it cools.
- A thin layer over two trays is the single biggest factor in even crisping, so do not be tempted to crowd it onto one.
- The fat to sweetener ratio here is about 1 to 1.5. For a richer, toastier batch push the oil up to 90ml; for a leaner one drop it to 40ml.
- Chop the nuts to roughly the size of an oat cluster so nothing burns before the oats have coloured.
- Salt is not optional. The 1/2 tsp lifts the sweetness and stops the whole thing tasting flat.
- Swap the honey for maple syrup or agave, volume for volume, to make it fully vegan with no other change.
What you’ll need
- Two large baking trays, Two trays beat one crowded one; a thin layer is the biggest factor in even crisping
- Baking parchment
- Large mixing bowl
- Small saucepan or microwave-safe jug, For warming the oil and honey so they pour freely
- Airtight jar or tub, For storage once fully cold
Troubleshooting
Edges are burnt but the middle stays pale
The oven runs hot or unevenly. Drop to 150°C fan and rotate the trays when you turn the granola at the halfway point.
No clusters, it stays loose and crumbly
You stirred it while it cooled. Next time press the mix flat before baking and leave it completely undisturbed until it is stone cold.
It never goes crisp, even once cold
The layer was too deep or it was under-baked. Use two trays for a thin layer and bake until fully golden, judging by colour not time.
Dried fruit is hard, chewy and slightly bitter
It went in too early and baked. Always fold dried fruit through after the granola has cooled completely.
The granola is greasy and heavy
Too much oil against the sweetener, or it was under-toasted. Keep to roughly 1 part oil to 1.5 parts honey and toast a little longer until properly golden.
More about making granola from scratch
Granola is simply rolled oats, nuts and seeds bound with a little fat and sweetener, then toasted dry until golden. That toasting is the whole point, and it is what separates granola from muesli, which is the same sort of mix left raw and unsweetened. Understanding the few things going on in the bowl and the oven takes this from a recipe you follow to something you can adjust to your own taste.
Why the fat and sweetener ratio matters
The two wet ingredients each do a different job. The oil coats the oats and carries flavour, and it is what makes them crisp rather than dry out to dust. The sweetener browns in the heat and, as it cools and firms, effectively glues the flakes together into clusters. Tip the balance too far towards oil and the granola turns greasy and heavy. Too little of either and it stays loose and pale. A ratio of roughly one part oil to one and a half parts honey gives an everyday granola that is crisp without being oily. Push the oil higher for a richer, more indulgent batch, or pull it back for something leaner.
Which oats to use
Standard rolled porridge oats are the workhorse here and give a reliable result. Jumbo oats make bigger, chunkier clusters if you like plenty of texture. Avoid instant or quick oats, which are cut small and tend to go powdery and catch before the rest has coloured.
The cooling-crisp principle
This is the rule that catches everyone out. Granola sets hard as it cools because the sugars firm up, so it will always seem underdone and soft when you take it out of the oven. Never judge it by how it feels while it is hot. Judge it by colour alone, pulling it once it is an even, golden brown, and let the cooling do the rest.
Why the dried fruit goes in last
Raisins, sultanas and the like turn rock hard and can scorch and taste bitter if they see the oven. Always fold dried fruit through once the granola is completely cold. It keeps the fruit soft and chewy against the crunch of the oats.
Food safety and storage
Homemade granola contains no preservatives, so cooling and storage matter. Let it cool completely before sealing it away. Warm granola gives off steam, and a sealed jar traps that moisture and softens the whole batch. Once cold and dry, an airtight container keeps it good for 3 to 4 weeks at room temperature. If it ever tastes flat or smells like old crayons, the nuts and seeds have gone rancid from their natural oils, which is your sign the batch has had its day.
A note on nutrition
Part of the appeal of making your own is control. Oats bring beta-glucan, a fibre good for you in its own right, while nuts and seeds add protein, healthy fats and a range of minerals. Best of all, you decide how much sweetener goes in, which is often far lower than the sugar loaded into many shop-bought brands.
Frequently asked questions
Written by
UK Homesteading Team
Editorial team
The UK Homesteading editorial team, offering UK-specific, evidence-led guidance on growing, keeping, preserving and the law.
