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The Best Protein Flapjacks Recipe

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All sweet treats don't need to be saved for your cheat day. These quick and easy protein flapjacks will satisfy your cravings, stave off the guilt and give you a protein hit all in one fell swoop. Three birds with one stone, lovely. For other foods that can help you build muscle read our guide to high-protein foods.

Protein Flapjacks Recipe


  • 120g rolled oats
  • 100g Meridian peanut butter
  • 60g whey protein powder
  • 125-150g skimmed milk (almond milk and other % fat milks can be used instead but weights may vary)
  • 15g acacia honey


  • Place whey and oats into large bowl; mix together
  • Add milk and peanut butter and mix together until evenly mixed
  • Add honey and stir evenly through mixture
  • Line a baking tray with grease proof paper and drizzle a touch of coconut oil 
  • Spread mixture onto paper (1-3cm thickness)
  • Place in fridge for 30 minutes
  • Pre-heat oven to 190 degrees C (gas mark 5)
  • 10-12 minutes in oven
  • Remove, slice and leave to cool

Nutritional Value

  • Protein: 85g
  • Carbohydrate: 110g
  • Fat: 55g

To create a more calorific protein flapjack, simply use a mass-gainer style protein powder instead of whey, opt for full fat milk, top with a nut butter and add a handful of blueberries to the mixture.

RECOMMENDED: The Best High-Protein Diets

Thanks to (opens in new tab) for the recipe.

Between 2010 and 2016, Ben was the deputy editor of Men’s Fitness UK, which predated, and then shared a website with, Coach. Ben also contributed exclusive features to Coach on topics such as football drills, triathlon training plans and healthy eating.