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British Flapjacks

4.5

(67)

A stack of British flapjacks on a plate with tea.
Photo by Joseph De Leo, Food Styling by Kaitlin Wayne

In America, the word flapjacks might conjure images of a stack of fluffy pancakes drizzled with maple syrup. But in the UK, “flapjacks” mean something entirely different. British flapjacks (also called cereal bars, oat bars, or oat slices) are golden oat-packed, hand-held triangles, often enjoyed for breakfast or as a snack. They’re commonly regarded as the chewy-crunchy ancestor of granola bars.

These one-bowl, five-ingredient bars are incredibly simple to make: Melt the butter, brown sugar, and golden syrup on the stove, coat the oats with the warm mixture and a pinch of salt, and then scrape into a tray and bake. Golden syrup is a popular sweetener in Great Britain, beloved for its butterscotch-like flavor. It’s available at some American supermarkets, specialty food stores, British import shops, and online. If you can’t get your hands on some before you want to make these bars, substitute corn syrup, maple syrup, or mild honey. For the best texture, seek out quick-cooking oats for this recipe, which are thinner than old-fashioned rolled oats and heartier than instant oats. You can add any number of mix-ins, like chopped dried fruit or nuts, but this basic British flapjack recipe is great as is. Once the bars have baked, let them cool slightly before slicing into neat triangles.

Recipe information

  • Total Time

    35 minutes

  • Yield

    Makes 16

Ingredients

½ cup (1 stick) unsalted butter, cut into pieces, plus more for pan
½ cup (packed) light brown sugar
¼ cup golden syrup
2⅓ cups quick-cooking oats (not instant or old-fashioned)
Kosher salt

Preparation

  1. Step 1

    Preheat oven to 350°. Butter an 8x8" baking pan. Cook ½ cup (1 stick) unsalted butter, cut into pieces½ cup (packed) light brown sugar, and ¼ cup golden syrup in a medium saucepan over medium-low heat, stirring constantly with a heatproof rubber spatula, until butter is melted, sugar is dissolved, and mixture is smooth. Remove from heat and add 2⅓ cups quick-cooking oats and a pinch of kosher salt; stir until oats are coated. Scrape mixture into prepared pan and spread evenly.

    Step 2

    Bake flapjacks until golden on top, 20–25 minutes. Transfer to a wire rack and let cool 5 minutes. Cut into 4 squares, then into 4 triangles each (flapjacks will still be soft). Let cool completely.

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