Classic British Oat Flapjacks are a beloved treat in the UK, known for their rich, buttery flavor and perfectly chewy texture. Made with golden syrup, rolled oats, and brown sugar, these simple yet irresistible bars are the ultimate comfort snack. Whether enjoyed with a hot cup of tea or packed in a lunchbox, they deliver a taste of homey tradition in every bite.
Interestingly, the term “flapjack” in Britain doesn’t mean pancakes at all—it refers to these sweet oat bars that have been popular since at least the 17th century. Their simplicity and long shelf life made them a favorite for home bakers and travelers alike.
With just a handful of ingredients, you can bake a tray in under 30 minutes. The secret is in the golden syrup, which gives the flapjacks their signature caramel depth. Soft, chewy, and deeply satisfying, they’re perfect for sharing—or keeping all to yourself.
Bring a taste of British tradition to your kitchen today with this easy recipe.
Recipe Yield: 12 squares
INGREDIENTS
2 ½ cups rolled oats
¾ cup unsalted butter
½ cup light brown sugar, packed
⅓ cup golden syrup (or light corn syrup)
¼ tsp fine sea salt
½ tsp pure vanilla extract
INSTRUCTIONS
1. Preheat and prepare:
Preheat oven to 350°F (175°C). Line an 8-inch square baking pan with parchment paper, leaving overhang on two sides for easy removal.
2. Melt the base:
In a medium saucepan over low heat, melt the butter, brown sugar, and golden syrup together. Stir until sugar dissolves and mixture is smooth. Remove from heat and stir in vanilla extract and sea salt.
3. Combine oats and syrup mixture:
Pour rolled oats into the saucepan and stir until every oat is coated in the buttery syrup mixture.
4. Press and bake:
Transfer mixture into the prepared pan. Using the back of a spoon, press down firmly and evenly. Bake for 20–25 minutes, until edges are golden but center still soft.
5. Cool and cut:
Let flapjacks cool in the pan for 10 minutes, then lift them out using parchment overhang. While still slightly warm, cut into squares or rectangles. Allow to cool completely for a chewy texture.
Helpful Tips to Perfect This Recipe
- Golden Syrup is Key: For authentic British flavor, golden syrup gives the best rich, caramel-like taste. If substituting, light corn syrup works but is slightly less deep in flavor.
- Firm Pressing Matters: Pressing the oats firmly before baking ensures a uniform, chewy texture without crumbly edges.
- Timing is Everything: For softer flapjacks, bake closer to 20 minutes. For firmer, slightly crisper edges, extend baking to 25 minutes.
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