5 from 4 votes

Peanut Butter Oat Bars {British Flapjacks}

This quick and easy recipe for Peanut Butter Oat Bars {British Flapjacks} are a chewy, oaty treat that's packed with peanut butter goodness and finished with a dark chocolate drizzle.

Course Dessert
Cuisine American
Keyword flapjack recipes, oat bar recipes, peanut butter oat bar
Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings 12 servings
Calories 430 kcal
Author Erren


  • 2⁄3 cup brown sugar
  • 1 cup butter
  • 4 tablespoons golden syrup
  • ​1⁄2 cup peanut butter
  • 2 tablespoons honey
  • 3 3⁄4 cups rolled oats
  • 4 ounces semi-sweet chocolate


  1. Preheat oven to 350F

  2. Melt the brown sugar, butter, and golden syrup until fluid. Mix in the peanut butter and honey until combined. Add the oats until combined.
  3. Add to a 9 inch round pan (or 9-inch square pan) bake 40-45 minutes or until golden brown.

  4. While the flapjacks cool, melt the chocolate in a microwave on high heat in 30-second intervals until melted.
  5. Once cooled, drizzle the flapjacks with the melted chocolate and leave to set before serving.
Nutrition Facts
Peanut Butter Oat Bars {British Flapjacks}
Amount Per Serving
Calories 430 Calories from Fat 234
% Daily Value*
Total Fat 26g 40%
Saturated Fat 13g 65%
Cholesterol 41mg 14%
Sodium 190mg 8%
Potassium 235mg 7%
Total Carbohydrates 44g 15%
Dietary Fiber 3g 12%
Sugars 25g
Protein 6g 12%
Vitamin A 9.5%
Calcium 3.8%
Iron 10.9%
* Percent Daily Values are based on a 2000 calorie diet.