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Home » Recipes » Healthy Vegan Dessert Recipes

Published: Apr 14, 2023 · Modified: Feb 1, 2025 by Jim Mee Sha · This post may contain affiliate links

Healthy Protein flapjacks

Jump to Recipe

Moist, chewy, and hearty, these protein flapjacks make the perfect healthy breakfast or snack! This wholesome recipe is easy to make and ready in 30 minutes. They are freezable too, making them ideal for meal prep. 

A tray of sliced protein flapjacks arranged on a parchment paper.

These protein flapjacks are my current favorite meal prep recipe! They make a great breakfast or post-workout snack that is high in protein and fiber to help tie me over to the next meal. Plus, did I mention they taste INCREDIBLE too?! 

However, if you are not a fan of protein powder, give these banana flapjacks a try. Although they are lower in protein, you can simply pair them with a source of protein like roasted lentils, steamed edamame, or boiled eggs (if not vegan) to make a satisfying meal. 

Jump to:
  • 💚Why you will love this recipe 
  • 🤔What are flapjacks
  • 🥜What you will need 
  • 📃Ingredient notes and substitutions 
  • 🔪How to make 
  • ✅Helpful tips 
  • ✨Variations/add-ins 
  • ❄Storing suggestions 
  • ❔Commonly asked questions
  • 🍽More high-protein desserts
  • 📖 Recipe

💚Why you will love this recipe 

  • Chewy, hearty, and tastes amazing
  • An easy one-bowl recipe that is fuss-free and ready in 30 minutes 
  • Store well and are freezable - the perfect meal prep recipe! 
  • A great source of protein - one serving (2 slices) contains around 12g of protein!

🤔What are flapjacks

The British version of flapjacks is baked bars made from oats, butter, golden syrup, and brown sugar, resembling granola bars. They are usually served for dessert but make a great breakfast or snack. This is the recipe we will be making in this post.

On the other hand, the terms pancakes and flapjacks are used interchangeably in American English.

To make it healthier, we will use maple syrup instead of golden syrup and sugar to sweeten the flapjacks. Butter is also being replaced with nut butter of choice. Adding protein powder significantly bumps up the protein content of these flapjacks.

🥜What you will need 

Ingredients needed like milk, oats, protein powder, cinnamon, peanut butter, and maple syrup.

📃Ingredient notes and substitutions 

  • Oats - Both quick and rolled oats will work in this recipe. Quick oats yield softer flapjacks, while rolled oats produce a chewier texture. Use certified gluten-free oats to make this recipe gluten-free. 
  • Protein powder - I recommend going with a vanilla-flavored protein powder. You can also opt for an unflavored and unsweetened one, but you might need to add a few tablespoons of sugar for additional sweetness. 
  • Nut butter - Any nut butter, like peanut, almond, or cashew butter, will work in this recipe. Use nut butter like tahini or sunflower seed butter to make this recipe nut-free. 
  • Maple syrup - can be substituted with other liquid sweeteners like agave syrup, coconut nectar, sugar-free syrup, or honey if not vegan.
  • Milk - Both plant-based milk (oat, almond, soy, etc.) and dairy milk work in these protein flapjacks. 

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🔪How to make 

Preheat the oven to 180C/350F. Line an 8x8 baking pan with parchment paper. 

Mix milk, nut butter, and maple syrup in a mixing bowl. Then, add and mix the remaining ingredients (oats, protein powder, and cinnamon). 

Wet ingredients in a bowl with a bowl of oats and protein powder beside.
Batter of flapjacks in a bowl with a fork beside.

Transfer the batter to the baking pan, and bake for 20-25 minutes or until lightly browned. 

Flapjack batter in a square baking tray lined with parchment paper.
A tray of baked flapjacks in a square baking tray lined with parchment paper.

Let protein flapjacks cool completely before slicing and serving. Optionally, you can drizzle or slather on some melted chocolate. 

✅Helpful tips 

  • Do use a protein powder that you like to make these protein flapjacks! I recommend going with a vanilla-flavored or unflavored one, although you can use any flavor that sounds good. 
  • As different protein powder has different absorbances, you might have to adjust the ratio of the wet-to-dry ingredients slightly. If the batter seems dry, add more milk, a tablespoon at a time. If it is too watery, add more protein powder or oats. 
  • Allow parchment paper to slightly overhang (as shown in the process shot above) for easy removal. 
  • Let your protein flapjack cool completely before slicing to prevent them from crumbling. 
  • To produce a clean cut, slice flapjacks with a sharp, unserrated knife. 

✨Variations/add-ins 

Sugar-free - Use a sugar-free syrup to make this recipe sugar-free. 

Peanut butter - Use peanut butter and opt for a peanut-flavored protein powder. 

Chocolate - To make these protein flapjacks chocolate-flavored, use a chocolate protein powder. You can add a few teaspoons of cocoa powder if you like it to be more chocolatey. 

Nuts/seeds - Chopped walnuts, pecans, sunflower seeds, pumpkin seeds, chia seeds 

Chocolate chips - To spice up this recipe, add a few tablespoons of chocolate chips! You can even chop up your favorite chocolate bar and add them to the batter. 

Dried fruits - Add a few tablespoons of raisins, sultanas, or chopped apricot for additional sweetness. 

Slices of protein flapjacks arranged on a parchment paper.

❄Storing suggestions 

Fridge - Refrigerate leftover protein flapjacks in an airtight container for up to 5 days. 

Freezer - These flapjacks are freezable too! I recommend slicing them up and storing them in either zip-top bags or storage containers. They can be frozen for up to 3 months. 

Reheating - Let frozen flapjacks defrost overnight in the fridge or at room temperature for a couple of hours. You can either reheat them in the microwave at 15-second bursts or in an oven preheated to 180C/350F for 5-8 minutes.

❔Commonly asked questions

Are these flapjacks gluten-free?

These protein flapjacks are naturally gluten-free as all ingredients used are free from gluten. However, as cross-contamination might occur during the processing of oats, I recommend getting certified gluten-free ones if you are sensitive to gluten.

Why did my flapjacks fall apart?

If your flapjacks turned out to be dry and crumbly, you might have used too little liquid or added too much dry ingredients. Hence, weigh the ingredients using a kitchen scale, if possible.

Otherwise, you might have overbaked them, which cause them to dry out. Next time, cut down on the baking time to prevent dry flapjacks.

Can I bake with protein powder?

It is safe to bake with both whey or plant-based protein powder, and doing so will not destroy it. Adding protein powder to baked goods is a great way to add protein to your diet!

A tray of sliced flapjacks arranged on a parchment paper with a spoonful of peanut butter beside.

🍽More high-protein desserts

  • Protein bars arranged on a parchment paper with a bowl of chocolate chips and oats beside.
    Chewy Oatmeal Protein Bars
  • Chocolate Chip Chickpea Cookies
  • Mug brownie topped with flaked sea salt on a brown saucer served with a teaspoon.
    Protein Mug Brownie
  • A plate of matcha balls with dish of dessicated coconut and matcha beside.
    Healthy Matcha Balls

If you made this recipe, leave a rating and comment below. We would love to hear from you! Subscribe to My Plantiful Cooking to get new recipes delivered straight to your inbox! Follow us on Instagram, Facebook, and Pinterest to get the latest updates. 😉

📖 Recipe

Slices of protein flapjacks arranged on a parchment paper.

Healthy Protein Flapjacks

Meesha
Moist, chewy, and hearty, these protein flapjacks make the perfect healthy breakfast or snack! This wholesome recipe is easy to make and ready in 30 minutes. They are freezable too, making them ideal for meal prep. 
5 from 2 votes
Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 20 minutes mins
Total Time 30 minutes mins
Course Breakfast, Dessert, Snack
Cuisine American, British
Servings 16 squares
Calories 126 kcal

Equipment

  • 8x8 square baking pan

Ingredients
 
 

  • 1 ¼ cup soy milk or other milks of choice
  • ½ cup peanut butter or another nut/seed butter of choice
  • ¼ cup maple syrup or other liquid sweeteners of choice
  • 2 cups oats rolled or quick*
  • ½ cup protein powder plant-based/whey**
  • 2-4 tablespoons brown sugar or another granulated sweetener
  • 1 teaspoon ground cinnamon
Prevent your screen from going dark

Instructions
 

  • Preheat oven to 180C/350F. Grease or line an 8x8 baking pan with parchment paper.
  • In a mixing bowl, add milk, nut butter, and maple syrup. Stir to mix.
    1 ¼ cup soy milk, ½ cup peanut butter, ¼ cup maple syrup
  • Add the rest of the ingredients, and stir until everything is well incorporated.
    2 cups oats, ½ cup protein powder, 2-4 tablespoons brown sugar, 1 teaspoon ground cinnamon
  • Transfer the batter to the baking pan, and bake for 20-25 minutes or until it is lightly browned. Optionally, you can drizzle or slather on some melted chocolate.
  • Let it cool completely before slicing and serving.

Notes

*Oats - Both quick and rolled oats will work in this recipe. Quick oats yield softer flapjacks, while rolled oats produce a chewier texture. Use certified gluten-free oats to make this recipe gluten-free. 
 
**Protein powder - I recommend going with a vanilla-flavored protein powder. You can also opt for an unflavored and unsweetened one, but you might need to add a few tablespoons of sugar for additional sweetness. 
 
Helpful tips 
  • As different protein powder has different absorbances, you might have to adjust the ratio of the wet-to-dry ingredients slightly. If the batter seems dry, add more milk, a tablespoon at a time. If it is too watery, add more protein powder or oats. 
  • Let your protein flapjack cool completely before slicing to prevent them from crumbling. 
  • To produce a clean cut, slice flapjacks with a sharp, unserrated knife. 
 
Storing - Refrigerate leftover protein flapjacks in an airtight container for up to 5 days. 
These flapjacks are freezable too! I recommend slicing them up and storing them in either zip-top bags or storage containers. They can be frozen for up to 3 months.
Reheating - Let frozen flapjacks defrost overnight in the fridge or at room temperature for several hours. You can reheat them in the microwave at 15-second bursts or in an oven preheated to 180C/350F for 5-8 minutes.

Save this recipe!

Email yourself a link to this page and come back later.

Also get a FREE high-protein vegan recipe eBook + weekly new recipes! Unsubscribe anytime.

Nutrition

Calories: 126kcalCarbohydrates: 15gProtein: 6gFat: 5gSaturated Fat: 1gPolyunsaturated Fat: 1gMonounsaturated Fat: 2gCholesterol: 6mgSodium: 49mgPotassium: 131mgFiber: 2gSugar: 6gVitamin A: 82IUVitamin C: 1mgCalcium: 54mgIron: 1mg

Nutrition info calculated is just a rough estimate and is provided as a courtesy. Bear in mind that value will vary based on variables like specific brand or type of product used. To obtain the most accurate representation, it is highly recommended that you calculate it on your own with the actual amount and type of ingredient used.

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5 from 2 votes (2 ratings without comment)

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Hi, nice to meet you! I am Mee Sha, a final-year dietetic student passionate about nutrition, cooking, and food. This blog was created to share my favorite plant-powered recipe!

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