Crunchy Oat Cookies

There is a particular sound a good oat cookie should make when you bite into it, and it is not a soft squish. It is a proper crunch, the kind that leaves crumbs on your shirt and a smile on your face. These oat cookies have that crunch in spades, with golden edges, a buttery chew in the middle and just enough cinnamon to make the whole kitchen smell like a bakery.

I make these most Sundays, because they take about as long as it takes the kettle to boil and a playlist to get going, and because a tin of them on the counter means the week starts well. My family argues about whether they are better warm from the oven or cold from the tin the next day, and honestly both sides have a point. Make a double batch and you will see what I mean.

Watch: Crunchy Oat Cookies

Prep time: 15 minutes | Cook time: 12–14 minutes per batch | Servings: 20 cookies

Ingredients

• 180 g rolled oats (old-fashioned oats, not instant)
• 125 g plain flour
• 1 teaspoon ground cinnamon
• 1/2 teaspoon baking soda (bicarbonate of soda)
• 1/4 teaspoon fine sea salt
• 150 g unsalted butter, softened
• 120 g light brown sugar
• 50 g caster sugar (granulated sugar)
• 1 large egg
• 1 teaspoon vanilla extract
• 60 g raisins or chopped dried cranberries (optional)
• 40 g chopped walnuts or pecans (optional)

Method

1. Heat the oven to 180°C (350°F) and line two baking trays with baking paper. If your trays are dark, knock the temperature down a touch or the bottoms will catch.
2. Mix the oats, flour, cinnamon, baking soda and salt together in a bowl. Giving the dry ingredients a good stir now means no pockets of baking soda in the finished cookies.
3. Beat the softened butter with the brown sugar and the caster sugar until it is pale and fluffy, about 2 minutes. This is the step that makes the difference — it whips air into the dough.
4. Beat in the egg and the vanilla until everything is smooth. Scrape down the sides of the bowl once or twice so you do not end up with a pocket of plain butter.
5. Tip the dry mixture into the bowl and stir until just combined. Do not overmix — as soon as you cannot see any dry flour, stop.
6. Stir in the raisins and nuts if you are using them, then roll the dough into balls about the size of a walnut (about 30 g each) and place them on the trays, well spaced out, and press each one down slightly with your palm.
7. Bake for 12–14 minutes, until the edges are golden and the centres still look a little soft. Do not wait for them to look fully done — they firm up as they cool, and that is how they stay crisp at the edges and chewy inside.
8. Leave the cookies on the trays for 5 minutes to set, then move them to a wire rack to cool completely. The first batch never survives long enough to reach the tin in our house, and I make no apologies for that.

Serving and Storage

Eat them warm from the oven, with a cup of tea or cold milk, or let them cool and pack them into a tin for packed lunches. They keep in an airtight tin for up to 5 days, and they stay crunchy as long as the lid stays on — once the tin is left open, the edges soften. They freeze brilliantly too: freeze the baked cookies in a bag for up to 2 months, or freeze scoops of raw dough and bake them from frozen, adding 2 minutes to the time.

Tips

A few things I have learned over many tins of these. Rolled oats matter — old-fashioned rolled oats give you the crunch and the texture; instant oats turn to mush, so do not swap them. If your cookies spread too much, chill the dough for 20 minutes before baking, and check that your butter was not too soft. If they come out too pale and soft, your oven may be running cooler than it says — bake the next batch a minute or two longer. And do not skip the salt; a quarter of a teaspoon makes the whole cookie taste more like itself. Brown sugar brings the chew, so be generous with it.

Bake a batch this weekend and see how long they last. In our kitchen, a tin of these never makes it past Wednesday — and by Thursday someone is already asking when I am making more. That is the best review a recipe can get, and it costs about fifteen minutes of your Sunday. If you try them, let me know how yours turned out — whether you kept the raisins or left them out, and whether your family liked them warm or cold. Tell us on our Contact page; we love hearing what home cooks do with our recipes. And if you have a variation of your own, such as a different spice or a handful of chocolate chips, share it, because the best recipes are the ones that get passed around and changed a little every time.