Delicious Lemon Poppy Seed Mug Cake in just 2 minutes - perfect for when you are craving cake.

I've been meaning to have a go at a low calorie mug cake for a while. I already make this yummy Quick Breakfast in a Mug, when rushed for time and wanted a yummy cake recipe, that I could make quickly whenever a cake craving hits me.
I have various oat cakes and baked oatmeal recipes on the blog which are amazing for when you fancy a low calorie treat such as:
- Peanut Butter and Jelly Baked Oatmeal
- Pina Colada Baked Oatmeal
- Cherry Almond Baked Oatmeal
- Raspberry and White Chocolate Baked Oatmeal
- Banana Baked Oatmeal
- Apple Cinnamon Baked Oatmeal
- Best Ever Carrot Cake
- Jam and Coconut Sponge Cake
But the baked oatmeal recipes can take up to 40 minutes to cook and sometimes when you want cake, you want it right away, otherwise, you can grab for something you should.
So using the basis of some of my other recipes I had a go at this amazing Lemon Poppy Seed Mug Cake - which I have to say is one of my fav cakes ever.
I was so happy with the result, it worked perfectly. I also topped with a spoonful of lemon curd for pure perfection. Look how amazing this looks!!

I am so happy I can now enjoy one of these Lemon Poppy Seed Mug Cakes in literally minutes and am looking forward to trying some other variations. Watch this space for those.
To grind the oats, I use my Nutri Ninja Blender with Auto IQ and one of the blender cups that come with it. This blender is amazing. The auto IQ technology feature, mean it blends to a set pattern depending on what it is you are making. There is also an optional add-on for a food processor bowl, which is perfect for chopping and grating vegetables. It's perfect for grinding the oats in this recipe and because I don't need to use the full-size jug, it's easier to wash up too.
Don't worry though, you don't need a fancy high-tech blender like mine above, any blender will work, even a good old immersion stick blender like the Koölle Electric Powerful 3-in-1 800 Watt Hand Stick Blender.
Time for cooking can vary depending on microwave, so I suggest trying it different times until you get the perfect timing for your microwave. I cooked this for 2 minutes and it was perfect. Can you believe it? A yummy cake all ready to eat in less than 2 minutes.
Make sure you use a mug of dish large enough for the mixture to rise, otherwise it will over flow as it cooks, the cake mixture should not be more than half the volume or whatever you use to cook it in, that should give it plenty of space to rise.

If you use gluten-free free oats and baking powder, then this recipe is also suitable for those who do need to avoid gluten.
I recommend adding the lemon curd for that little bit of decadence in this Lemon Poppy Seed Mug Cake.
More Cake Recipes
Looking for some more cake recipes? Check out these.
- Carrot and Orange Cake
- Banana Chocolate Chip Muffins
- Baked Red Velvet Doughnuts
- Baked Gluten Free Jam Doughnuts
- Mini Banana Raisin Loaf
- Banana Loaf
or if you would like more recipe ideas - head on over to the FULL RECIPE INDEX where you will find over 900 delicious recipes with calories and you can search by meal type, ingredients, course, diet and more.
All recipes on Slimming Eats have estimated nutritional information for your convenience.

But in the mean time, you have to try this yummy Lemon Poppy Seed Mug Cake.
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Pat Cooke says
sounds lovely, I make my own syn free lemon curd so can save some syns there
Cooker says
Could you please add the amount and what type of flour we are supposed to use, to your ingredients list? it says: fold into the flour and there is no flour in the ingredients list.
Shevy (Slimming Eats) says
Hi the flour is the oats, you blend at the beginning of the recipe 🙂
Sandra says
Super quick and really lovely.
Jodie says
Can not recommend this cake enough I love anything lemon and this hit the spot and ticked every box! So quick and easy please give it a go!
Leanne says
The lemon mug cake is nothing short of beautiful !
So simple to make & actually tastes just like a
Naughty sponge cake!
Vivienne Pennington says
Made this but added ginger with the lemon curd. The two tastes made it delicious. Fabulous recipe easy to add different flavours.