Let’s Bake! (Red Blood Cell Cupcakes Edition)

Welcome to another baking post! As always, I’m delving into my Nerdy Nummies book. I can’t help it, there’s so many cute and creative things I want to make. This time, I went with a Science-themed one. Although it also came out kind of creepy and horror  themed in the end. Either way, making and eating it was fun! Unlike my previous baking post, this one took a while to make. A few hours, but it was worth it!

Here we go!

For the Red Velvet Cupcakes, you’ll need:

  • 1 cup flour
  • 1/8 cup cocoa
  • 1/4 tsp baking soda
  • 1/2 stick butter (room temp)
  • 1 cup sugar
  • 1 egg
  • 1 tsp vanilla extract
  • 1/2 cup sour cream
  • 1/4 cup milk
  • 3/4 tbsp red food colouring

For the Red Blood Cell decorations, you’ll need:

  • Red Fruit Chews (Starburst Fruit Punch)
  • Little bit of red frosting
  • 3/4 cup water
  • 2/3 cup sugar
  • 1 cup raspberries
  • 1 tbsp cornstarch

cupcakes 01

You need multiple bowls for this bit. In one bowl, whisk together all the dry ingredients. In a large bowl, beat together the bitter and sugar until light and fluffy. Add the egg and vanilla and continue whisking together.

cupcakes 02

In a small bowl, mix together the sour cream and milk. Alternate the dry mixture and wet mixture into the large bowl. Add the red food colouring in early and continue mixing.

cupcakes 03

Pour the batter 2/3 into the muffin liners. Bake at 180 C for 18 to 20 minuntes, or until a wooden toothpick comes out clean from the centre. Mine took just over 20 minutes.

cupcakes 04

I decided to cut off the excess liners from my muffins to make them easier to decorate. Time for the blood cell decorating! So in the Starburst packs, take out all the red ones.

cupcakes 05

Unwrap the chews, and cut them into quarters. Then you roll them into circles. The last step is to indent them in the middle to get them to look more like blood cells. Ro suggests using a circular fondant tool, but I don’t have one. I used a baking bead, it worked really well. This part tooked the longest out of the whole process.

cupcakes 06

Use a small dab of the red frosting to use an adhesive and place the cells on the cupcakes, however you like.

cupcakes 07

Now it’s time to make the raspberry puree. Ro suggests just using red buttercream icing for this part if you’re in a rush, but I wanted to do the original recipe. In a pot, combine the water, sugar and raspberries. Boil it then simmer for up to 30 minutes. After this, pour it through a sieve to get rid of the seeds.

cupcakes 08

Return it to the post and gradually add cornstarch to thicken the puree. Remove it from the heat and let it cool down.

cupcakes 09

Now to add the final bloody touch. My puree was a bit watery, but I like the effect it made. It was bleeding all over the cupcakes. Which is why mine ends up more horror themed than science.

cupcakes 10

Still, it looks awesome! I’m so happy with it!

cupcakes 11

cupcakes 12

What do you think of them? Is it more of a science themed treat, or maybe horror? I like to look at it as a mix of both!


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Hello internet! My name is Angela. I write daily about my travels, life, thoughts, and ramblings. I live down in New Zealand with my lovely husband, Rory. Thanks for stopping by!
  1. I LOVE NERDY NUMMIES!! And I’m sooo glad that someone else loves it too. Yours look soooo similar to the ones in the book ??? greattt job. I would *definitely* eat those.

    1. The show and Ro is so incredible and creative! I was gifted her recipe book for my birthday last year, and I’ve been obsessed with making recipes from it haha! Thank you so much! 🙂

      1. Ahhh I know right? I’ve been following her since the Mario Star cake ??

  2. Your baking blog posts always have the best recipes. This is delicious. xx

    1. Ah thank you so much Azra! This one was so much fun to do haha, and it was definitely tasty 😀

  3. These look fun 😀 xo

    1. They really are! I had so much fun making them ?

  4. My ex was a big fan of red velvet, but I never really liked it. These are such a cute design though, I’d love to try a vanilla version and call them “white blood cell cupcakes” haha

    1. I’ve always been fairly neutral on them too. This was quite a nice fluffy version of red velvet though so i enjoyed it ?
      Ooh but a vanilla one for white “blood cell” cupcakes would be so cool haha! ?

  5. They are look delicious!

    1. Thanks you! 😀

  6. They look so cool!! I do want to make them but at the moment I prefer more quick recipes if that makes sense ? xx

    1. I do love how they came out! Haha, this one did take a lot of work ?
      The red velvet cake recipe was pretty easy though, it was the decorating part that took ages to do!

  7. What do I think? Hmmmm I think they are cupcakes, and I’d eat them ???

    1. Haha, I totally get that! Just give me something delicious to eat ??

  8. They look so realistic that it’s almost stomach turning, but I bet they smell and taste delicious!

    1. Haha, they do right! I really think they’d be perfect for some kind of horror treat ? they were definitely delicious though!

  9. I’ve never been bothered by blood but I wouldn’t eat these, which I guess means you did a great job of making them look like red blood cells as I’m creeped out 😉

    1. Hahaha, that wasn’t exactly my plan, but i guess that means I did a good job with the decorations ??

  10. This is such a cute idea! Looks delicious!

    1. Thank you Haya ?

  11. Ooohhh they look soooo cool!! ? xx

    1. They came out so much better than I thought 😀

      1. You did such a good job with them the red blood cells look so realistic ? xx

  12. I bet these were delicious. And good job with replicating the look, Angela! The thought of chomping on red blood cells, hmm, interesting 😉 xx

    1. They were! I was pretty proud with how they came out in the end ? the red blood cells were cherry flavoured ?

  13. Awwww I love these! I also think they’re a little bit of both!

    1. Thanks Pamela! Haha, I think they’re a little bit of both too 😀

  14. These are SO cute and look so yummy! I love this idea! <3

    1. I’m glad you like it! 😀

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