Coffee & California Walnut Mug Cake. Hello friends, happy Wednesday. So how are you today? California Walnuts has created four new recipes, to inspire you in the kitchen this autumn.
I have shared 3 of the recipes here and now I am sharing the last recipe today. Finally an indulgent pudding; a California walnut and coffee mug cake.
Indulge in the ultimate coffee-infused treat with a twist – the Coffee & California Walnut Mug Cake.

Coffee & California Walnut Mug Cake:
Coffee & California Walnut Mug Cake. This delightful dessert is a quick and convenient way to satisfy your sweet tooth and coffee cravings simultaneously.
Made with a simple batter that combines the rich, bold flavours of coffee with the earthy crunch of California walnuts, this mug cake promises a harmonious marriage of taste and texture.
In just a matter of minutes, you can whip up a warm, moist cake right in your favorite mug, making it the perfect solution for those sudden dessert hankerings.
With the aromatic essence of coffee and the nutty goodness of walnuts, this mug cake is a delightful, single-serving sensation that will leave you craving for more.
Table Of Contents:
- Firstly, Coffee & California Walnut Mug Cake Ingredients.
- Secondly, Coffee & California Walnut Mug Cake Method.
- Thirdly, Other Recipes Ideas.
Coffee & California Walnut Mug Cake:
Grown in the Californian sunshine by many multi-generational farmers. California Walnuts are a high-quality, mild and creamy nut that add flavour, crunch and depth to a host of savoury and sweet dishes, as well as a healthy snack.
Indulge in the ultimate coffee-infused treat with this Coffee & California Walnut Mug Cake. This single-serving delight is a perfect blend of rich coffee flavours and the buttery crunch of California walnuts.
Baked to perfection in a mug, this moist and decadent cake is ready in minutes, offering a quick and satisfying dessert experience.
Whether you’re a coffee lover or a walnut enthusiast, this delightful creation will captivate your taste buds with its irresistible aroma and delightful texture. Treat yourself to a mug of pure indulgence.
Prep: 5 minutes | Cook: 2-3 minutes
Makes: 1
- 1 medium egg
- 2 tbsp milk
- 3 tbsp vegetable oil
- 1 tsp instant coffee
- 4 tbsp self-raising flour
- 4 tbsp caster sugar
- 25g California Walnuts, chopped
Method:
- Beat the egg in a 350ml heatproof mug with the milk and oil. Blend the coffee with 1 tsp boiling water and add to the mug with the flour, sugar and all but 2 tsp walnuts, mix well to combine.
- Microwave on full power for 2-3 minutes or until a skewer comes out clean. Allow to cool.
- Sprinkle with reserved walnuts.
Cooks tip: Coffee essence work just as well as instant coffee. You can also serve with whipped cream and a dust of cocoa powder. Add these when sprinkling with the reserved walnuts.
Coffee & California Walnut Mug Cake:
Walnuts are also a good source of (antioxidants) copper and vitamin E and micronutrients magnesium, vitamin B6, folate and thiamine (vitamin B1) and a source of (antioxidant) zinc, pantothenic acid (vitamin B5) and minerals iron and potassium.
So what do you think about this recipe? Do you also fancy trying it? Because I know I do. Recipe and image courtesy of California Walnuts.

You Might Also Like:
Raspberry, Honey & California Walnut Baked Oats:
Firstly, Raspberry, Honey & California Walnut Baked Oats. For breakfast; raspberry, honey and California walnut baked oats.
Get The Recipe Here: Raspberry, Honey & California Walnut Baked Oats. So yummy.
Secondly, Leek, Potato & California Walnut Soup. For lunch or a simple supper; a tasty leek, potato and California walnut soup.
Get The Recipe Here: Leek, Potato & California Walnut Soup. So good.
Mince Chilli Con Carne:
Thirdly, California Walnut Mince Chilli Con Carne. For dinner; a versatile plant-based chilli con carne with five different ways to use it.
Get The Recipe Here: California Walnut Mince Chilli Con Carne. So tasty.
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Claire Justine Oxox- Over 50s Lifestyle Blog. You can also read more about me here: Over 50s Lifestyle Blog. Also, follow along on Facebook for regular updates. So remember you can also share your thoughts here too in the comments below.
Indulgent Afternoon Tea Desserts And Small Bites Pinterest Board:
Also, Visit My Indulgent Afternoon Tea Desserts And Small Bites Pinterest Board. Step into a world of elegance with delightful desserts and dainty bites perfect for afternoon tea!
This board is packed with inspiration and recipes, from delicate macarons and floral cupcake bouquets to buttery scones and savoury tea sandwiches. Also my afternoon tea outfits.
So whether you’re hosting a high tea party or just love beautiful, bite-sized treats, these ideas will make every gathering feel special. Get ready to elevate your tea-time with a spread that’s as stunning as it is delicious! Indulgent Afternoon Tea Desserts And Small Bites Pinterest Board.

Oh I love mug cakes! mine never look quite so pretty though, haha! Thanks for sharing!
Hope you are having a great weekend. Quiet Sunday for us as it’s cold and rainy today!
Author
Thanks so much, Mica.
This looks so delicious. I definitely need to check this recipe out. Thank you for sharing this.
Author
Thanks so much for visiting.
I could go for one of these right now!
Author
Thanks for stopping by, Heather.