Strength and Sunshine

Where Gluten-Free & Allergy-Friendly Food Is Healthy & Delicious

A Ghoulish Green Purple Sweet Potato Mug Cake

by 74 Comments

Well that’s an oxymoron. And before anyone asks, no, this was not intentional. I had the grand idea to use some beautiful purple sweet potato (PSP) in a wonderful morning mug cake. I also felt like adding a bit extra baking soda to make it really rise and be fluffy. Now, if you know anything about baking, you know that baking soda is an alkaline substance and can make your baked goods green or blue when mixed with say something like a PSP. It can happen when you don’t mix well enough or because you used too much. So I thought I would have a pretty purple mug cake, but instead, it was green!

Ghoulish Green PSP Mug Cake | Strength and Sunshine #glutenfree #vegan #mugcake @RebeccaGF666

I was a little bummed out because it tasted great, just wasn’t the color I had hoped for. I didn’t want to play around with the measurements again and worry about getting good morning light for some pictures for the blog. Thus, I thought long and hard what I should do with this little experiment. Then it hit me! It is Halloween time! All is not lost my friends!

Ghoulish Green PSP Mug Cake | Strength and Sunshine #glutenfree #vegan #mugcake @RebeccaGF666

I am also not one of those bloggers to post cutesy themed holiday recipes. Like oranges turned into jack-o-lanterns. But when the perfect opportunity arises to salvage a recipe and make it relevant, well, I just have to take it. A ghoulish green PSP mug cake it is! The perfect Halloween breakfast experiment 😉 Tell the kids they can have a healthy green cake with vanilla frosting on Halloween morning and see what they say 😉

Ghoulish Green Purple Sweet Potato Mug Cake

Ghoulish Green PSP Mug Cake | Strength and Sunshine #glutenfree #vegan #mugcake @RebeccaGF666

Ingredients: (serves 1)

+ 2 TB Buckwheat Flour

+ 2 TB Oat Flour

+ 2 TB Mashed Purple Sweet Potato

+ 1/2 Tsp Baking Soda

+ 1/4 Tsp Baking Powder

+ 1/4 Tsp Pure Bourbon Vanilla Extract

+ 7 Drop Vanilla Stevia

+ 1/4 Cup Water

Vanilla Frosting:

+ 1 TB Vanilla Protein Powder

+ 2 TB Water

Directions:

+ In a ramekin or mug, combine flours, baking soda, baking power, and stir. Then add the mashed PSP, vanilla, stevia, and water. Mix extremely well until you don’t have any lumps. (O actually used my hands to really break up the potato!)

+ Microwave on high for 1 minutes.

+ Mix the protein powder and water together in a tiny bowl, remove the ramekin from the microwave, top with the thick frosting, put it back in the microwave, and cook for an additional 20 seconds.

+ Remove and enjoy this lovely Halloween treat!

Ghoulish Green PSP Mug Cake | Strength and Sunshine #glutenfree #vegan #mugcake @RebeccaGF666

I didn’t realize it, but Halloween is on a Friday! That never happens! I mean, it’s not really a big deal anymore since I’m not trick-or-treating, but Fridays are the best days! Even though I said I’m not dressing up for Halloween, I may need to rethink that. Maybe I should be a PSP? Sounds like a good idea to me 😉

So tell me:

+ Have you ever had the magic color change in your baked goods?

+ What is your favorite Halloween candy?! I always jumped for joy when I got those cute little boxes of Junior Mints! (Frozen Junior Mints are the bomb.com! Try it!)

*Recipe linking up for the week! WIAW, Allergy Free Wednesdays, #RecipeFridays, #RecipeOfTheWeek, #StrangeButGood, Gluten-Free Wednesdays, Real Food Friday, Gluten-Free Fridays, Tasty Tuesdays, Savoring Saturdays, Healthy Vegan Fridays, #WeekendBites, Real Food Recipe Roundup, Gluten-Free Tuesdays, Tasty Tuesdays, Meatless Mondays, Lena’s Tasty Tuesdays!*

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Comments

    • Rebecca @ Strength and Sunshine says

      Haha, I basically eat potatoes every day 😛 I need to make this mug cake again now that PSPs are back in season!

      Reply

  5. Cindy (Vegetarian Mamma) says

    I am going to have to make this for the kids! I just made a sunbutter mug cake, literally 10 minutes ago 🙂 YUM Thanks for linking up at our Gluten Free Fridays party! I have tweeted and pinned your entry to our Gluten Free Fridays board on Pinterest! 🙂 I can’t wait to see what you share this week! Its LIVE!

    Cindy from vegetarianmamma.com

    Reply

  8. kimmythevegan says

    This looks great! Can’t be too disappointed if it tasted good 😉
    Thanks for sharing this on Healthy Vegan Fridays (and for all of your awesome contributions!). I am pinning this recipe to our Pinterest Board.
    Thanks Rebecca =)

    Reply

  9. Chaitali says

    I’m hopping over from the Tasty Tuesday link up. I had no idea that baking soda could result in a green color like this! It’s a good tidbit to know. I’m glad to hear the cake still tasted good and you could salvage it with a Halloween spin 🙂

    Reply

  10. Danielle says

    I’ve had those days when something I’ve baked hasn’t come out quite right. Way to take it in stride and turn it into something fun! Thanks so much for linking up with Merry Monday! Have a great day!

    Reply

  17. Cat says

    Haha that’s so funny I can’t believe it turned green! I’m so envious of you stateside folk and your PSP’s – they don’t sell them anywhere in the UK! just regular orange ones for us… I wonder would they go green too? Only one way to find out… 😀

    Reply

  19. Marla says

    I love purple sweet potato but I didn’t realize that adding baking soda for turn them green. That is good to know. This sounds delicious and something that I am going to tryl Thanks for sharing Real Food Fridays blog hop. Pinned & twitted.

    Reply

  21. Liz - Meal Makeover Mom says

    Well, it sure looks tasty! I remember when I was an undergrad studying nutrition (back in “the day”) we’d put baking soda in water and then cook broccoli, and it would bring out the green color. Or maybe it dulled it. Yikes. I’d better go and do some googling. Other than that, I haven’t done too much crazy food science lately 🙂

    Reply

    • Rebecca @ Strength and Sunshine says

      My whole foods has no idea how Arlington has them. They even checked with that manager….so….problem!

      Reply

  34. Natalie says

    Baking fail saved by Halloween!! I love halloween themed posts, cutesy or not it makes me excited! Once you’re past the trick or treating age, you’ve gotta do something to make halloween special 🙂

    Reply

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rebecca

Meet Rebecca

Hey there, welcome to Strength and Sunshine! I’m Rebecca and I’m so glad you’re here! This is your go-to destination for delicious, fun, and (mostly) healthy gluten-free and allergy-free recipes, tips & tricks, advice, as well as celiac and food allergy coaching services!

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