Cornflake cookies recipe

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Preparation Time15 mins
Cooking Time12 mins
Cost RangeCheap

Brilliant breakfast biscuits that combine lashings of peanut butter with the crunch of cereal.

We love a breakfast biscuit and these cornflake cookies are a great choice. You can serve two of three up with a glass of milk or a smoothie. They also go well with a bowl of natural yoghurt and some chopped fresh fruit. Once you've made a batch, you can store them in an airtight container for up to a week. Smooth or crunchy peanut butter both work for this recipe. We've used smooth because we love the silky texture, but change it up if you prefer. And if you're feeling adventurous, you can even make your own peanut butter - see our tip below.


  • 175g crunchy peanut butter (with no added sugar)
  • 50g unsalted butter, at room temperature
  • 50g golden caster sugar
  • 40g light brown sugar
  • 1 egg, lightly beaten
  • 125g self-raising flour
  • 50g cornflakes, lightly crushed




  1. Preheat the oven to 180°C/375°F/Gas 5. Line two baking sheets with baking parchment.
  2. Place the peanut butter and the butter in a large bowl and beat together until well-mixed and creamy. Add the sugars and beat again. Gradually add the egg, a little at a time, beating well after each addition. Sift over the flour and mix to a stiff dough.
  3. Put the crushed cornflakes on a plate. Roll the cookie dough into walnut-sized balls, then roll in the cornflakes to coat. Place on the prepared baking sheets, spacing them slightly apart, then flatten them a little with the palm of your hand (this will stop them rolling off the sheet).
  4. Bake for 10-12 mins until firm, then remove from the oven and transfer to a wire rack to cool.

Top tip for making Cornflake cookies...

You can also make your own peanut butter - it's quick and easy. Blend 175g unsalted roasted shelled peanuts for a few seconds in a blender or food processor, until roughly chopped. Drizzle 2 tbsp of groundnut or sunflower oil over the top and add a small pinch of salt. Process for about 30 secs for crunchy peanut butter and 1-2 mins for smooth.

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Octavia Lillywhite
Food and Lifestyle Writer

Octavia Lillywhite is an award-winning food and lifestyle journalist with over 15 years of experience. With a passion for creating beautiful, tasty family meals that don’t use hundreds of ingredients or anything you have to source from obscure websites, she’s a champion of local and seasonal foods, using up leftovers and composting, which, she maintains, is probably the most important thing we all can do to protect the environment.