This quick and easy recipe for Peanut Butter Oat Bars {British Flapjacks} is a chewy, oaty treat that’s packed with peanut butter goodness and finished with a dark chocolate drizzle.
These Peanut Butter Oat Bars won’t keep you in the kitchen long, but the end result will taste like you slaved, baking in the kitchen for hours! They’re perfect as an afternoon pick-me-up or after-dinner dessert.
If you’ve never had a British Flapjack, imagine a buttery, oatmeal cookie bar that’s got a sticky sweet syrup baked right in, One day I’ll make a basic flapjack to bake for you, but these were a special request so I had to start with these.
This recipe makes a sweet, buttery, rich oat bar that’s packed full of peanut butter flavor. The dark chocolate is the perfect paring balancing out the sweetness perfectly.
I have a friend who tried these Peanut Butter Oat Bars and liked them so much, she makes them as a quick grab weekday breakfast. She makes a big batch on Sunday night and she’s all set for the week!
The oddest part about my friend – she doesn’t normally like peanut butter all that much, but she likes it in this recipe. If that’s not a raving review, I don’t know what is!
The best part about this recipe is it’s so easy to make! You just melt golden syrup (which is an amber-colored syrup with a rich, deep sweetness that you can buy here on Amazon (As an Amazon Associate, a small commission is made from qualifying purchases). with brown sugar and butter. Melt in the peanut butter and honey. 
Add the oats, mix and bake for 40 – 45 minutes. 
Once cooled, drizzle with dark chocolate and leave to set before serving.
Super simple!
★ Did you make this recipe? Please give it a star rating below!
Stay Updated
Receive new recipes & dinner ideas straight to your inbox!
Let's Make
Peanut Butter Oat Bars {British Flapjacks}
Ingredients
- ⅔ cup brown sugar
- 1 cup butter
- 4 tablespoons golden syrup
- ½ cup peanut butter
- 2 tablespoons honey
- 3¾ cups rolled oats
- 4 ounces semi-sweet chocolate
Instructions
- Preheat oven to 350F
- Melt the brown sugar, butter, and golden syrup until fluid. Mix in the peanut butter and honey until combined. Add the oats until combined.
- Add to a 9 inch round pan (or 9-inch square pan) bake 40-45 minutes or until golden brown.
- While the flapjacks cool, melt the chocolate in a microwave on high heat in 30-second intervals until melted.
- Once cooled, drizzle the flapjacks with the melted chocolate and leave to set before serving.
Nutrition Information:
Sabrina says
My husband loves peanut butter desserts! He’s going to love when I bake this for him!
Kimberly @ The Daring Gourmet says
I used to buy flapjacks all the time when I lived in England. They always came wrapped in plastic wrap at the cash registers and were great because they were a filling and generally lower sugar alternative to other sweet treats. These look awesome!
amyengberson says
These look like just the thing for breakfast! Who say’s you can’t eat peanut butter and chocolate first thing in the morning!
Des @ Life's Ambrosia says
These would be a huge hit with my boys! They are peanut butter obsessed!
Back for Seconds says
Yum! I can never resist chocolate and peanut butter!
WillCookForFriends says
Yum! These sound so amazing! I’m having a hard time believing your friend doesn’t like peanut butter, though. Who doesn’t like peanut butter?! PB and chocolate are a match made in heaven, too. I could eat these every day and never get sick of them!
insidetherustickitchen says
My mouth is watering I LOVE flapjacks! This recipe sounds incredible.
Sia Krishna says
Chocolates, peanut butter, oats, golden syrup… what not to like? I am a huge fan of flapjacks and your easy recipe is just what I needed on a gloom winter day. 🙂
Megan Marlowe says
This looks absolutely delicious and SO easy! Cannot wait to try it!
Veena Azmanov says
Oh this looks so delicious!! I love how elegant that looks I could have that for my desserts.! Yummmm..!