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High Calorie Oats Snack: Oat Flapjack with Golden Syrup Recipe

Name: High Calorie Oats Snack: Oat Flapjack with Golden Syrup Recipe
Total time: 45 min
Yield: 70 g
Ingredients: rolled oats 2 cups; unsalted butter 1 cup; golden syrup 0.5 cup; brown sugar 0.5 cup; salt 0.25 tsp; vanilla extract 1 tsp

Dense, buttery British oat flapjack with golden syrup. These high calorie bars are energy-dense enough to fuel a hike — or just a really long Monday.

Cook 45 min Difficulty EASY 320 kcal

#vegetarian

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Ingredients

Main ingredients

rolled oats 2 cups
unsalted butter 1 cup
golden syrup 0.5 cup
brown sugar 0.5 cup

Seasonings/Sauce

salt 0.25 tsp
vanilla extract 1 tsp

Nutrition summary

Carbohydrates 40 g 50%

Protein 4 g 5%

Fat 15 g 45%

Serving size 70g

Cooking steps

1

Preheat your oven to 350°F (175°C) and line an 8×8 inch baking pan with parchment paper for easy removal.
2

In a medium saucepan, melt the butter over low heat until fully liquefied but not bubbling; remove from heat before browning.
3

Stir in the golden syrup and brown sugar, mixing gently until the sugar dissolves and the mixture is smooth. Add vanilla extract and salt to the butter mixture.
4

Fold in the rolled oats, ensuring every oat is coated thoroughly. Work quickly so the mixture remains warm and easy to spread.
5

Transfer the mixture to the prepared pan, pressing firmly and evenly with a spatula to compact the oats, then bake at the center rack for 30–35 minutes until the edges are golden and the center is just set.
6

Remove the pan from the oven and allow to cool for 15–20 minutes before scoring and slicing, which helps prevent crumbling. Let flapjacks cool completely before serving for best texture.

Personalized Q&A

Q. What's the key ingredient in this recipe?

Rolled oats are the core of this flapjack recipe, delivering a hearty, chewy texture and energy density. They form the structural base, making the flapjacks distinctively robust and ideal for a substantial snack.

Q. Which ingredient gives the biggest boost in flavor?

Golden syrup is the ingredient that defines the classic British flavor and rich sweetness. Combined with butter and brown sugar, it creates the signature caramelized taste and moist texture unique to flapjacks.

Q. How do I avoid dry or crumbly flapjacks?

To prevent dryness and crumbling, ensure the oats are fully coated in butter-syrup mix and press the mixture firmly and evenly into the pan before baking. Let the flapjacks cool partially in the pan before cutting—this allows them to set properly.

Q. What is the calorie and macronutrient breakdown per serving?

Each serving delivers approximately 320 kcal, with a macronutrient profile of 40g carbohydrates (50%), 4g protein (5%), and 15g fat (45%). This makes it a high-calorie, energy-dense snack.

Q. What oven heat and timing should I use?

Bake the flapjacks at 350°F (175°C) for 30–35 minutes. Keep an eye on the edges turning gold—they signal doneness while keeping the center moist. Overbaking can lead to excess dryness or hard texture.

High Calorie Oats Snack: Oat Flapjack with Golden Syrup Recipe

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