Sweet Potato Protein Brownie Recipe

2013-04-14
  • Servings : 12
  • Prep Time : 10m
  • Cook Time : 30m
  • Ready In : 40m

Would you believe me if I told you that these gorgeous chocolate brownies are actually good for you?!

These chocolate brownies are not only packed with protein, soluble fibre, antioxidants and vitamin A but they contain NO flour, butter or sugar either.

They taste AMAZING and are very diet and weight loss friendly at only 100 calories a piece. Oh and don’t get put off by the secret ingredient ;)

Ingredients

  • 400g (2 medium) sweet potatoes
  • 100g dark chocolate chips
  • 2 heaped tbsp (20g) oats*
  • 1 scoop chocolate protein powder**
  • 3 egg whites
  • 1 tsp honey/agave nectar/freedom
  • 1/2 tsp cinnamon
  • 1/2 tsp baking powder
  • 1/2 tsp coconut oil***
  • Optional ingredients: tsp coffee, tsp orange zest, dried cranberries or raisins, chopped almonds or walnuts

*To make this recipe gluten free use gluten free oats.

**I use MyProtein whey protein powder but you can swap the protein powder for skimmed milk powder and cocoa or hot chocolate powder!

***You can buy coconut oil from Amazon, Holland and Barrett or Waitrose – coconut oil is also great for frying at high temperatures and adds a wonderful taste to a stir-fry!

Brownie

Method

Step 1

Pre-heat your oven to 180 degrees C (350 F or gas mark 4)

Step 2

Skin the potatoes , chop into chunks and cook in the microwave until soft (5-6 minutes)

Step 3

Either mash the sweet potatoes in a bowl or add into your food processor

Step 4

Add the chocolate protein powder, oats, cinnamon and baking powder

Step 5

*blend* or *mix*

Step 6

Melt the chocolate and coconut oil (in a microwave) and add to the blender along with the egg whites and honey or alternative (& stir in any extra ingredients)

Step 7

Pour your mixture into a lined or greased baking tray (8" by 8") and bake for 30 minutes

Step 8

Allow to cook & slice in to 9 or 12 pieces

Nutritional information shown is for a 12th of the brownie mixture!

UPDATE: Thank you to everyone who sends me pictures of my recipes on Twitter & Facebook – here are a selection!!

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Chocolate protein brownies

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Chocolate Protein Brownies

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Chocolate brownies

*with added cranberries!

Chocolate protein brownies

Protein Brownies

protein brownies

Healthy Protein Brownies

Protein Brownies

*my healthy protein flapjacks also get a feature!

Sweet Potato Brownies

Sweet Potato Protein Brownies

Chocolate protein brownies

Chocolate protein brownies

Chocolate protein brownies

chocolate brownies

Protein brownies

*This blog post contains affiliate links. Please read my disclaimer page for more information and for my policy on using protein powders in recipes, gluten-free foods/baking and vegetarian/vegan recipes.

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Nutritional Info

This information is per serving.

  • Calories

    100Kcal
  • Carbs

    14g
  • Protein

    4g
  • Fat

    3g

Recipe Comments

Comments (39)

  1. posted by Eve Willett on April 27, 2013

    Looks so yummy! your page is so informative and easy to follow. I am definatley having a go at making these, I will tweet a photo to you!

      Reply
    • posted by Nics Nutrition on May 6, 2013

      Thank you Eve! Can’t wait :) x

        Reply
  2. posted by Rebecca Greenaway on April 29, 2013

    These are amazing! I didn’t use as much sweet potatoes (I used 1 and a half). I also used coconut milk instead of the oil but they taste so yummy!!! I love how they are gluten free and wheat free, mostly because I’m coeliac and a health freak :P Deffo a must try for any choccy lovers out there.

      Reply
    • posted by Nics Nutrition on April 29, 2013

      Thanks for your comment Rebecca! Great tips :) x

        Reply
  3. posted by Kristine on May 10, 2013

    These are lovely! Substituted the coconut oil with some sunflower oil and they came out delicious. I will endeavour to find some coconut oil though, as I think they’d taste even better then!

      Reply
    • posted by Nics Nutrition on May 10, 2013

      Hi Kristine! Thanks for letting me know- great to have an alternate option. My Protein sell coconut oil online if you’re interested! Nic x

        Reply
  4. posted by Rachel Brooker on June 2, 2013

      Reply
    • posted by Nics Nutrition on June 2, 2013

      Cheers Rach! I didn’t know that!! :) x

        Reply
  5. posted by Ann at The Nutribox on June 18, 2013

    Loved the flavour of these (though might try without the cinnamon and add some chopped pecans next time) but they came out a bit flat! Should I have whisked the egg whites?! I can get LucyBee coconut oil in my local Sainsbury’s – my personal favourite is Viridian but it’s not so handy to buy.

      Reply
    • posted by Nics Nutrition on June 18, 2013

      Hey! I bought the Groovy Food company coconut oil from Waitrose if that helps – £7 I think! Love idea of adding pecans. Mmmmm if they came out a little flat I suppose a little baking powder could help things. Do let me know if you try it – although brownies are meant to be quite compact! I hope this helps! Nic x

        Reply
  6. posted by Simon on June 26, 2013

    OH. MY. GOD.

    Ok so you’re looking at the recipe and feeling a bit dubious about the use of Sweet Potato, don’t be. These are amazing! Moist, chewy, tasty and healthy too. Seriously, make a batch and you’ll agree!

    I can’t stop raving about these today, thank you Nic!!!

      Reply
    • posted by Nics Nutrition on June 26, 2013

      Aw thanks Simon!! And cheers for the great pic on Twitter – I’ll be uploading it tomorrow – yours looked better than mine! So happy you like them :) Thanks!! Nic x

        Reply
  7. posted by Karen on July 14, 2013

    Great recipe! Added raisons and chopped nuts to mine, also a little less chocolate and then saved some to put on the top. Shared a picture on twitter and Instagram today that looked delicious, in the hope others may copy the recipe! thanks again

      Reply
    • posted by Nics Nutrition on July 14, 2013

      Thanks for your comment Karen! OMG your pic looked AMAZING!! I’ll be uploaing it soon. What a great idea putting chocolate on top!! Nic xx

        Reply
  8. posted by Dave on August 28, 2013

    I don’t have a sweet tooth and rarely ever eat any desserts or chocolate but was really intrigued by these given the fact they had sweet potato in! I’m trying to get more calories in my diet and struggling to find decent snacks, well I think that problem is solved with these, they taste awesome!

    I’ve added cranberries to mine so far but will try other fruits and nuts and even tempted to see if chilli might work for a bit of a kick?

    This site is awesome Nichola and already proving a great resource for me as I love cooking and trying new things! Keep the recipies coming and keep sharing on twitter!

      Reply
    • posted by Nics Nutrition on August 28, 2013

      Thank you so much for your lovely message Dave – that really does mean a lot!! :) I love your suggestion of chilli = and dried fruit! Coffee too would go good – ooh the options are endless. Thank you for your support!

        Reply
  9. posted by Karen on August 29, 2013

    Thanks for adding my picture to the collection on this website (2nd picture from the top)
    ..they still look as scrummy as they tasted

      Reply
    • posted by Nics Nutrition on September 5, 2013

      Your picture is GORGEOUS Karen!! Thank you so much! So glad you liked them :) Nic xx

        Reply
  10. posted by Grainne on August 30, 2013

    Baked these yummy chocolate brownies for the family … Needless to say there wasn’t very many left! The brownies tasted delicious and the added walnuts and raisins really complemented the recipe! Healthy, tasty and a great treat to have during the day without feeling guilty after!:) xo

      Reply
    • posted by Nics Nutrition on August 31, 2013

      Hurray! I love it how they taste amazing yet are packed with goodness! Thank you for your picture and lovely comment :) xx

        Reply
  11. posted by Mandy on September 17, 2013

    I made these last night, wow they are gorgeous! I made a brownie cake as I had left my baking tray in my mums house and it still turned out great. For the dark chocilate I used a few sqaures of the Green and Blacks Maya Gold which added a lovley warm spicy flavour. I also used drinking chocolate powder instead of the protein powder.
    Thank you so much for all your amazing recipe’s, my only trouble is what to try next!

      Reply
    • posted by Nics Nutrition on September 17, 2013

      Aw thank you Mandy!! I’l upload your fab pic too – love your idea of hot choc powder – I’ll add that into the recipe. Thank you!! Nic xx P.s can’t wait to see what you make next!! xx

        Reply
  12. posted by rebecca lee davies on October 2, 2013

    I made these this morning for the first time, I love the recipe and so simple to make. I’m a cakeaholic trying to give up, these make the perfect substitute. I can’t taste the sweet potato what so ever. I’ll be interested to see the difference in the chick pea ones. They’re next on the list along with the over night oats. Love this web sight. Going to make my way through each fab recipe. Keep them coming

      Reply
    • posted by Nics Nutrition on October 3, 2013

      Aw thanks Rebecca! What a lovely comment! Thanks for your lovely pic too, I’ll be sure to upload it! Nic xx

        Reply
  13. posted by Janine on November 12, 2013

    These brownies are simply a-mazing!! I’d been craving chocolate and didn’t want to have anything naughty, so I made these, sooo yummy! Thank you Nic, your recipes are fab and helping me stay on track xx

      Reply
    • posted by Nics Nutrition on November 13, 2013

      Hurray! Aw that’s so good to hear. Thank you for the lovely feedback Janine! xx

        Reply
  14. posted by Barbara-Anne on November 20, 2013

    Hi Nic, have you tried freezing these brownies? I wonder if you could make in advance for Xmas? X

      Reply
    • posted by Nics Nutrition on November 22, 2013

      Hello! Yes I have.. why don’t you do a batch-free-defrost test to see?! They are so yummy you can have them guilt free before xmas too :) xx

        Reply
  15. posted by Abigail on December 20, 2013

    Hi Nic, can I make these without egg white or is there an alternative?? I have issues with egg white, but am fine with egg yolks – would egg yolk be okay?
    Thanks for all the fab recipes x

      Reply
    • posted by Nics Nutrition on December 20, 2013

      Hello! Yes I’m sure egg yolk would be ok – or you could use chia seeds mixed with water for a ‘binding agent’! xx

        Reply
  16. posted by Zoe on January 8, 2014

    Hi Nic!
    Love these protein brownies, really want to try them!
    What whey powder do you recommend? What is better.. whey concentrate and whey isolate?

    Sorry for all the questions, just want to make sure I’m not putting anything into my body that it cannot digest easily!

    Thanks!
    P.S. I’ve just sent off my UCAS application to study Dietetics, hope i get in!! You are a great Dietitian role model for me, thanks :)

      Reply
    • posted by Nics Nutrition on January 9, 2014

      Aw thanks Zoe! I use Purition (whey), Sativa (plant protein) or MyProtein (whey) – there’s a full review under ‘reviews’ of Purition and Sativa plus a promo code so you know! xx

        Reply
  17. posted by Oliver on April 10, 2014

    By far the best healthy brownie recipe out there – they taste too good to be true!!!!! Everybody must try these bad boys

      Reply
  18. posted by Mimi on June 1, 2014

    Made them today, my god they are delicious!
    Your recipes never disappoint!

      Reply
  19. posted by Maeve on August 9, 2014

    Made these brownies today, they are too nice! Keep up the good work Nic, am loving trying (and eating) all of these recipes :-) :-)

      Reply

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