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Kumquat Cake (with Orange Glaze)

Kumquat cake with orange glaze is a dense, crumbly cake with a rich citrus flavor that will please everyone from toddlers to centenarians!

kumquat cake slice on plate

You may already be familiar with my very popular Sicilian whole orange cake recipe.

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Since my mother first made it years ago, and I shared the recipe, it’s gone a bit viral on Pinterest. In fact, one of my neighbors was walking past my house the other day when I was pruning some plants.  She was so excited to tell me that while she was on Pinterest, she found a recipe for an orange cake she’s going to make, and realized it was my recipe! 

My Sicilian whole orange cake recipe.

Sicilian Whole Orange cake on a plate with oranges

Well, this kumquat cake is the same recipe, except that I substituted kumquats for the oranges in the cake, and kept the orange glaze (since I don’t think anyone wants to squeeze kumquats for juice-it’d be like milking a mouse)!

kumquat cake

As you can see, it’s a rather rustic cake; a bit “rough around the edges style”. However, it’s absolutely bursting with citrus flavor, and so moist and lovely. It’s a fantastic way to use kumquats. 

kumquat cake on a plate

Want more great kumquat recipes? I have eleven in this kumquat recipe collection.

kumquat jam

This recipe is perfect for kumquats because unlike oranges and tangerines, for example, kumquats’ rind is sweet, and the juice is sour. Using the whole kumquats (we remove the seeds/pips) gives a fabulous flavor to the cake.

bite of cake on a fork

Learn how to eat a kumquat.

kumquats on a tree
My cute little kumquat tree.

If you have some kumquats on hand, I encourage you to give this cake a try. I think you’ll become a fan.

kumquat cake overhead

Kumquat Cake (with Orange Glaze)

adapted from my Sicilian whole orange cake recipe              serves 12

FULL PRINTABLE RECIPE BELOW

Preheat oven to 350°F (175°C)

Make the kumquat cake batter.

Prepare an 8″ springform pan by spraying with oil (or butter) and lining in parchment paper (sides optional, if you want really clean sides), then spray the paper, too.

Wash and weigh the kumquats (it’s really so hard to give a cup measurement for these I recommend using a scale).

washed kumquats in a bowl

Cut the kumquats and remove the seeds.

kumquats with seeds removed

Place them in a food processor or blender until they’re in tiny bits. Don’t fully purée them.

processed kumquats

Place the sugar and eggs in a large bowl and beat with a mixer until light and fluffy.

Sift the flour with the baking powder, then add to the mixture in the bowl a little at a time along with the softened butter. Continue to mix until completely blended, then stir in the yogurt.

yogurt in the batter

Add the processed kumquats to the cake mixture (along with the vanilla if you used baking powder) and stir until evenly combined.

kumquats in batter

Put the batter into the prepared tin.

Bake for 50-60 minutes (depending on your oven), but test with a cake tester or skewer to make sure the orange cake is done before removing from the oven. Allow to cool for about 15 minutes, then run a thin knife around the perimeter and remove the side of the springform pan.

Make the orange glaze

Prepare the glaze by melting the sugar in the orange juice and allow to simmer for a few minutes, just until the liquid has a syrupy consistency. Spoon and brush over the top of the cake and allow to cool completely before cutting. 

glazing cake

Serve the kumquat cake!

kumquat on cake

If desired, you can decorate the cake with some extra kumquats (wash them and the leaves before adding any to the top or sides of the cake). Then just slice and serve!

kumquat cake on a plate

It’s perfectly delicious served on its own with a cup of tea or coffee, but you can alway add a scoop of ice cream or whipped cream to make it extra special.

kumquat and cake on a plate

Enjoy, and please let me know if you try it and like it! Clicking on the 5 stars above the PRINT button is great way to say, “thank you” and I truly appreciate it!

piece of cake on a fork

kumquat cake on a plate

Kumquat Cake (with Orange Glaze)

Yield: 12
Prep Time: 15 minutes
Bake Time: 55 minutes
Additional Time: 10 minutes
Total Time: 1 hour 20 minutes

A deliciously citrus cake made with kumquats topped with an orange glaze.

Ingredients

  • about 2 cups (300g) kumquats (please use a scale for best results)
  • 3 eggs
  • 1 1/8 c (250g) sugar
  • 1 3/4 c (275g) all purpose flour
  • 2 1/2 tsp baking powder (or 1 packet Italian Pane Degli Angeli vanilla baking powder)
  • 1/3 c (100g) butter, softened
  • 1/3 c (100g) plain Greek yogurt
  • (if using plain baking powder add 1 tsp vanilla extract)

Glaze

  • juice of one organic orange
  • 1/3 c (100g) sugar

Instructions

Preheat oven to 350°F (175°C)

Make the kumquat cake batter.

  1. Prepare an 8″ springform pan by spraying with oil (or butter) and lining in parchment paper (sides optional, if you want really clean sides), then spray the paper, too.
  2. Wash and weigh the kumquats (it's really so hard to give a cup measurement for these I recommend using a scale).
  3. Cut the kumquats and remove the seeds. Place them in a food processor or blender until they're in tiny bits. Don't fully purée them.
  4. Place the sugar and eggs in a large bowl and beat with a mixer until light and fluffy.
  5. Sift the flour with the baking powder, then add to the mixture in the bowl a little at a time along with the softened butter. Continue to mix until completely blended, then stir in the yogurt.
  6. Add the processed kumquats to the cake mixture (along with the vanilla if you used baking powder) and stir until evenly combined. Put the batter into the prepared tin.

 Bake the Cake

  1. Bake for 50-60 minutes (depending on your oven), but test with a cake tester or skewer to make sure the orange cake is done before removing from the oven.
  2. Allow to cool for about 15 minutes, then run a thin knife around the perimeter and remove the side of the springform pan.

Make the orange glaze

  1. Prepare the glaze by melting the sugar in the orange juice and allow to simmer for a few minutes, just until the liquid has a syrupy consistency.
  2. Spoon and brush over the top of the cake and allow to cool completely before cutting. 

 Serve the kumquat cake!

  1. If desired, you can decorate the cake with some extra kumquats (wash them and the leaves before adding any to the top or sides of the cake).
  2. Slice and serve! Add a scoop of ice cream or freshly whipped cream (without added sugar) for a special treat.

Notes

I really recommend using a scale for this recipe.

Nutrition Information:
Yield: 12 Serving Size: 1 slice
Amount Per Serving: Calories: 313Total Fat: 8gSaturated Fat: 5gTrans Fat: 0gUnsaturated Fat: 3gCholesterol: 65mgSodium: 90mgCarbohydrates: 55gFiber: 3gSugar: 35gProtein: 5g

Nutrition information is only estimated.

Did you make this recipe?

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25 Comments

  1. I randomly bought some kumquats at the grocery store when I saw them because I hadn’t had them since I was a little girl and couldn’t even remember what they were or what they tasted like. Little oranges, kinda. Ok… now what do I do with them?! 😂 I found this recipe and it is SO good! I’m saving it and will make it again!

  2. Hi great recipe . I had lots of cumquats so chopped in half removed seeds and lightly poached them in half cup water and half cup sugar for 5 mins until soft -then drained off most liquid and added to cake . I actually used more than 300g and it was delicious.

    1. I made this yesterday and it was delish! I added about 1/3 cup blueberries to the glaze. Absolutely love this recipe and will make it again!

    1. Given that I was not with you in your kitchen, Mary, the only response I can think of is because you didn’t leave it in the oven long enough. I would recommend that you buy an oven thermometer, calibrate your oven to make sure your temperature is correct and then try again. Good luck.

  3. So super delicious. Great recipe. I happened to have some kumquat juice in my cupboard (I have no idea where that came from) and used it to make the glaze. Definitely recommend trying it out!

  4. My husband’s kumquat tree is overflowing, and I found your recipe while trying to figure out how to use them up. My entire family loved this; it was tangy and satisfying, with a nice dense crumb. We put a little too much juice in the glaze, but it still provided a sweet, sticky counterpoint to the cake. Delicious and different! (I substituted labneh for the yogurt.)

  5. Hi Christina, do you have a suggestion for something I can sub the Greek yoghurt with? Thank you look forward to trying this cake!