Oh, this cake! Seriously, if you’re looking for a dessert that’s a total game-changer, you HAVE to try my Grapefruit Olive Oil Cake. It’s one of those recipes I stumbled upon years ago when I was trying to lighten things up a bit, and wow, did it deliver! It’s incredibly moist, packed with this bright, zesty grapefruit flavor, and uses olive oil instead of butter, which sounds a little wild but trust me, it’s pure magic. I remember the first time I made it for a potluck, and people were just raving about how unique and delicious it was. It just has this perfect balance of sweet and tart that makes it utterly irresistible.
Why You’ll Love This Grapefruit Olive Oil Cake
It’s unbelievably moist, like, seriously, it melts in your mouth good!
That bright, fresh grapefruit flavor is just *chef’s kiss* – so zesty and delicious.
Super simple to whip up; you probably have most of the ingredients already.
It’s surprisingly light, not heavy or dense at all.
Perfect for breakfast, brunch, dessert, or anytime you need a little pick-me-up.
The olive oil gives it this wonderful, subtle richness you just can’t get with butter.
It makes your kitchen smell absolutely divine while it’s baking!
Gather Your Ingredients for the Perfect Grapefruit Olive Oil Cake
Alright, let’s get this cake party started! For this amazing Grapefruit Olive Oil Cake, you’ll want to gather these goodies. Don’t stress if you don’t have *exactly* every single thing – baking is often about what you have on hand, but for this one, try to stick close so we get that perfect flavor!
- 2 cups all-purpose flour
- 1.5 cups granulated sugar
- 1 teaspoon baking powder
- 0.5 teaspoon salt
- 3 large eggs
- 1 cup good quality olive oil
- 0.5 cup fresh grapefruit juice (from about 1-2 grapefruits)
- 1 tablespoon grapefruit zest (finely grated – don’t skip this!)
- 0.5 cup milk (any kind works, whole milk is great if you have it)
Step-by-Step Guide to Making Your Grapefruit Olive Oil Cake
Okay, let’s get down to business! Making this Grapefruit Olive Oil Cake is honestly a piece of cake (pun intended!). Just follow these easy steps, and you’ll have a gorgeous, fragrant cake in no time. It’s all about mixing things just right and letting the oven do its magic. This process is almost as simple as whipping up some easy crepes or pancakes!
Preparing Your Cake Pan and Oven
First things first, crank up your oven to 350°F (that’s 175°C). While that’s heating up, grab your favorite 9-inch cake pan. Give it a good grease and then a sprinkle of flour, making sure to get into all the nooks and crannies. This little step is super important to make sure your beautiful cake pops out without sticking!
Combining Dry Ingredients for the Grapefruit Olive Oil Cake
In a big bowl, get your dry ingredients all cozy. We’re talking the flour, sugar, baking powder, and salt. Just give them a good whisk together until everything looks nicely combined. This helps ensure that your leavening agents (the baking powder) are spread out evenly, so you get a beautiful rise on your Grapefruit Olive Oil Cake.
Mixing the Wet Ingredients
Now, in a separate bowl, let’s get the wet stuff ready. Whisk up those eggs really well, then pour in your olive oil (remember, the good stuff!), your fresh grapefruit juice, that amazing grapefruit zest, and the milk. Give it a good whisk until it’s all blended together into a lovely liquid mixture.
Bringing the Batter Together
Time to unite our wet and dry friends! Pour the wet mixture into the big bowl with the dry ingredients. Now, here’s a little secret: mix it *just* until everything is combined. You don’t want to go crazy here; a few streaks of flour are totally fine! Overmixing can make the cake a bit tough, and we want it super tender, remember?
Baking Your Grapefruit Olive Oil Cake to Perfection
Pour all that wonderful batter into your prepared cake pan. Smooth out the top real quick. Now, pop it into your preheated oven. It’ll need about 35 to 45 minutes. The best way to know it’s ready is the toothpick test: poke a toothpick right into the center. If it comes out clean, with just a few moist crumbs clinging to it, your Grapefruit Olive Oil Cake is ready to go!

Cooling the Cake Properly
This part is crucial for texture! Let your beautiful cake hang out in the pan for about 10 minutes. Don’t rush it! Then, carefully flip it out onto a wire rack to cool down completely. Patience here means a cake that’s perfectly set and holds its shape, ready for whatever topping you choose!
Tips for the Best Grapefruit Olive Oil Cake
Okay, so you’ve made the cake, but let’s make sure it’s truly spectacular! These little tricks have been game-changers for me, helping to elevate a good cake into a downright AMAZING one. It’s all about treating your ingredients right and knowing what to look for. You can find more ideas over on my olive oil cake adventures!
Choosing the Right Olive Oil
This is a big one! You don’t need fancy extra virgin oil for this, but don’t grab the cheapest stuff either. A good medium-bodied extra virgin olive oil will give you a lovely subtle flavor that complements the grapefruit perfectly without being overpowering. Avoid anything too peppery or bitter, or it might come through in the finished cake. Just a nice, smooth, fruity olive oil is ideal.
Enhancing Grapefruit Flavor
Want that grapefruit punch to really sing? My go-to is always using the zest! Zesting your grapefruit before you juice it is key, as that’s where so much of the essential oils and flavor live. If you’re feeling extra bold, you can even add a little more zest to the batter. Some people even like to make a grapefruit syrup to drizzle over the top after baking – yum!

Achieving a Moist Crumb
The absolute key to a super moist Grapefruit Olive Oil Cake is that perfectly balanced ratio of wet to dry ingredients, and of course, using olive oil. It has a lower smoking point than butter, which means it keeps the cake tender and wonderfully moist even after it cools. Also, remember not to overmix the batter; a light hand here is your best friend for that melt-in-your-mouth texture.
Serving and Storing Your Grapefruit Olive Oil Cake
This cake is just divine on its own, but oh, the possibilities for serving! I love a simple dusting of powdered sugar – it really lets that beautiful cake shine. If you want a little something extra, a dollop of lightly sweetened whipped cream or even a little Greek yogurt is fantastic. It’s also amazing with a drizzle of honey, or you can check out some decadent dessert ideas for inspiration! For storage, just pop any leftovers into an airtight container at room temperature for up to three days. It stays wonderfully moist!

Frequently Asked Questions about Grapefruit Olive Oil Cake
Got questions about making this absolutely delicious Grapefruit Olive Oil Cake? I totally get it! Baking can sometimes feel like a science experiment, but hopefully, this clears things up so you can bake with confidence. Here are some common things people ask:
Can I use lemon instead of grapefruit?
You absolutely can! If you’re not a huge grapefruit fan, or just don’t have any on hand, lemons are a fantastic substitute. You’ll want to use the same amount of juice and zest – the flavor will be a little different, more tart and straightforwardly citrusy, but still super delicious in this cake. It’s a great way to switch things up!
What kind of olive oil is best for this cake?
This is a question I get a lot! For this cake, you don’t need to break out the super fancy, single-estate extra virgin olive oil. What you want is a good quality, smooth, regular extra virgin olive oil. Think of something fruity and mild, not too peppery or bitter. This kind will blend in beautifully and give your Grapefruit Olive Oil Cake that signature moistness without an overwhelming olive flavor.
How long will this Grapefruit Olive Oil Cake last?
Honestly, this cake is best eaten within a day or two because it’s so wonderfully moist! But it keeps perfectly well at room temperature in an airtight container for up to 3 days. The olive oil and grapefruit juice actually help it stay lovely and moist, so don’t worry about it drying out too quickly. Just make sure it’s covered!
My cake sank in the middle. What went wrong?
Oh no, the dreaded sinker! This usually happens for a couple of reasons. One, the oven might have been a bit too hot, causing the outside to bake too quickly while the middle was still too liquid. Another common culprit is overmixing the batter, which can knock the air out. Make sure you’re following the recipe precisely, especially the mixing instructions, and check your oven temperature with an oven thermometer if you can!
Nutritional Information
Just a heads-up, the nutritional info on this cake is estimated and can totally change based on the exact ingredients you use (like the type of olive oil or even how big your grapefruits were!). But generally, a slice of this amazing Grapefruit Olive Oil Cake clocks in around 350 calories, with about 20g of fat and 40g of carbs. It’s a pretty good balance!
Print
Grapefruit Olive Oil Cake
- Total Time: 60 min
- Yield: 8 servings 1x
- Diet: Vegetarian
Description
A moist and flavorful cake made with fresh grapefruit and olive oil.
Ingredients
- 2 cups all-purpose flour
- 1.5 cups granulated sugar
- 1 teaspoon baking powder
- 0.5 teaspoon salt
- 3 large eggs
- 1 cup olive oil
- 0.5 cup fresh grapefruit juice
- 1 tablespoon grapefruit zest
- 0.5 cup milk
Instructions
- Preheat your oven to 350°F (175°C). Grease and flour a 9-inch cake pan.
- In a large bowl, whisk together the flour, sugar, baking powder, and salt.
- In a separate bowl, whisk together the eggs, olive oil, grapefruit juice, grapefruit zest, and milk.
- Pour the wet ingredients into the dry ingredients and mix until just combined. Do not overmix.
- Pour the batter into the prepared cake pan.
- Bake for 35-45 minutes, or until a toothpick inserted into the center comes out clean.
- Let the cake cool in the pan for 10 minutes before inverting it onto a wire rack to cool completely.
Notes
- Serve with a dusting of powdered sugar or a simple glaze.
- For a stronger grapefruit flavor, add more zest.
- Prep Time: 20 min
- Cook Time: 40 min
- Category: Dessert
- Method: Baking
- Cuisine: Mediterranean
Nutrition
- Serving Size: 1 slice
- Calories: 350
- Sugar: 30g
- Sodium: 200mg
- Fat: 20g
- Saturated Fat: 3g
- Unsaturated Fat: 17g
- Trans Fat: 0g
- Carbohydrates: 40g
- Fiber: 2g
- Protein: 4g
- Cholesterol: 50mg
Keywords: grapefruit cake, olive oil cake, citrus cake, moist cake, easy cake recipe

