Greek Walnut Cake (Karithopita) Recipe

I recently baked a traditional batch of this Greek walnut cake in my kitchen, and the warm spice aroma was so heavenly it filled the entire house. My family could hardly wait for the sweet syrup to soak in before cutting themselves generous slices.

I love how the airy sponge absorbs every drop of the spiced lemon syrup while keeping a wonderful, nutty crunch from the toasted walnuts inside. Making it was a delightful process for me, and it quickly became one of my absolute favorite desserts to bake for special gatherings.

If you love spiced honey-like syrup paired with rich toasted nuts, you are going to fall in love with this cake after just one bite!

Ingredients 

Using room-temperature ingredients and freshly toasted walnuts guarantees your spiced cake bakes up fluffy and absorbs syrup effortlessly.

For the Cake

  • 3/4 cup butter room temp – Creams smoothly with the sugar to create a light, tender cake crumb that absorbs the sweet syrup easily.
  • 1 1/2 cups sugar – Sweetens the sponge base and helps create a delicate, golden-brown crust as it bakes.
  • 5 eggs room temp – Provides essential structure and lift, making the cake light and airy enough to soak up the syrup without turning to mush.
  • 1/2 tsp of vanilla extract – Enhances the rich flavor of the butter and pairs beautifully with the warm cinnamon spices.
  • 3/4 cup milk warmed but not hot – Activating the leavening agents in warm milk gives the batter a light, frothy texture before baking.
  • 3 tsp baking powder – Works alongside the baking soda to give the heavy walnut batter a good rise.
  • 1 tsp of baking soda – Reacts with the warm milk mixture to create a soft, bubbly crumb structure.
  • 1 tsp ground cinnamon – Infuses the cake batter with a cozy, aromatic Greek spice flavor profile.
  • 1 1/2 cups AP flour – Forms the structural foundation of the sponge, balancing out the density of the ground nuts.
  • 1/4 tsp salt – Balances out the sweetness of the sugar and sharpens the warm spice notes.
  • 1 cup of chopped toasted walnuts plus more for sprinkling over the cake once done – Toasting the walnuts first unleashes a rich, nutty flavor and provides a lovely crunch throughout the cake.

For the Syrup

  • 2 cups water – Forms the liquid base for a light, pourable syrup that penetrates deep into the cake.
  • 2 cups sugar – Dissolves into the spiced water to create a glossy, sweet syrup that preserves the cake’s moisture.
  • Zest of one lemon – Infuses a bright, citrusy acidity that cuts through the heavy sweetness of the syrup.
  • 1 cinnamon stick – Steeps directly in the boiling syrup to impart an authentic, fragrant spice flavor.
  • 1/4 tsp whole cloves – Adds a delicate, warm herbal punch that gives classic Greek desserts their signature aroma.

Note: Serves 12 people as a rich, syrup-soaked dessert.

Variations

Customize your traditional Greek cake using simple ingredient swaps to match your preferred flavor profile or dietary needs.

  • Dairy-Free Option: Substitute the butter with an equal amount of plant-based baking butter, and swap the milk for unsweetened warm almond or oat milk.
  • Citrus & Spice Boost: Add the zest of a fresh orange to the cake batter alongside 1/4 teaspoon of ground cloves or ground cardamom for a deeper spiced flavor.
  • Nut Alternatives: Swap half or all of the walnuts for toasted pecans or slivered almonds if you prefer a milder, buttery nut texture.
Greek Walnut Cake
Credit: Pinterest

Cooking Time

This syrup-soaked dessert takes minimal hands-on effort and bakes up into aromatic perfection in less than an hour.

  • Prep Time: 20 minutes
  • Cooking Time: 30 minutes
  • Total Time: 50 minutes (plus cooling and soaking time)

Equipment you need

Having the right baking pans and tools ready makes preparing both the cake and the spiced syrup completely seamless.

  • 13×9 Baking Pan: Provides the perfect surface area and depth for the cake to bake evenly and absorb the liquid syrup.
  • Stand or Hand Mixer: Essential for beating the butter and sugar until light, fluffy, and well incorporated.
  • Small Saucepan: Used to boil and simmer the spiced lemon and cinnamon syrup while the cake bakes.
  • Wooden Skewer or Sharp Knife: Used to poke tiny holes all over the baked cake so the syrup penetrates deep into every slice.

How to Make Greek Walnut Cake (Karithopita)?

Baking this classic Greek dessert is surprisingly simple, relying on a light butter sponge and a fragrant, spiced syrup infused after baking.

Step 1: Mix Dry and Wet Batter

Preheat your oven to 350°F (175°C) and grease a 13×9 baking pan. Whisk the flour, ground cinnamon, and salt together in a bowl. In a separate large bowl, beat the butter and sugar with a mixer until light and fluffy. Add the eggs one at a time, mixing well after each, then stir in the vanilla extract.

Step 2: Combine Milk and Bake

In a measuring cup, gently stir the warm milk with the baking powder and baking soda until frothy, then slowly pour it into the butter mixture. On low speed, gradually mix in the flour mixture, fold in the chopped toasted walnuts, and pour the batter into your prepared pan. Bake for 25 to 30 minutes until a toothpick inserted in the center comes out clean.

Step 3: Prepare the Spiced Syrup

While the cake is baking, combine the water, sugar, lemon zest, cinnamon stick, and whole cloves in a small saucepan. Bring the liquid to a boil, then reduce the heat and simmer for a couple of minutes until the sugar fully dissolves. Remove the saucepan from the heat source and allow the syrup to cool down completely.

Step 4: Soak and Garnish

Allow the baked cake to cool completely after removing it from the oven. Gently poke holes all over the top using a skewer or sharp knife, then ladle the room-temperature syrup evenly over the entire cake. Let it sit for 15 to 30 minutes to soak up the liquid, sprinkle extra chopped walnuts over the top, slice, and serve.

Greek Walnut Cake
Credit: Pinterest

Additional Tips for Making this Recipe Better

Here are a few personal hands-on recommendations I gathered while making this cake that guarantee a perfectly soaked dessert every time.

  • Remember the cool syrup on a warm cake rule: I learned that pouring cooled syrup over a slightly warm cake (or vice-versa) prevents the sponge from turning into a soggy mess.
  • Toast your walnuts first: In my experience, spending 5 minutes to toast the chopped walnuts in a dry pan unlocks an incredible layer of flavor that raw nuts simply cannot match.
  • Be generous with the skewer holes: I always poke plenty of tiny holes deep into the cake so the spiced citrus syrup reaches the bottom layer evenly.
  • Let it sit overnight if you can: I think this cake tastes infinitely better on the second and third days after the spices have had time to meld together into the sponge.

How to Serve Greek Walnut Cake (Karithopita)?

Turn this rich, syrup-soaked dessert into an elegant centerpiece with a few traditional serving touches.

Slice the cake into classic diamond or square shapes directly in the pan and sprinkle a generous layer of finely chopped toasted walnuts across each slice. Garnish with a fresh twist of lemon peel or a small cinnamon stick on the side of the plate for a beautiful contrast.

Serve each slice at room temperature alongside a scoop of vanilla bean ice cream, a dollop of unsweetened whipped cream, or a warm cup of dark Greek coffee.

Greek Walnut Cake
Credit: Pinterest

Nutritional Information

Here is a quick look at the estimated core nutrients for a single, satisfying slice of this traditional Greek walnut cake.

  • Calories: 380 kcal per serving
  • Protein: 6g
  • Carbohydrates: 52g
  • Fat: 18g

Make Ahead and Storage

Follow these helpful guidelines to keep your Karithopita fresh, moist, and delicious for days after baking.

Room Temperature & Make Ahead

Once baked and fully soaked, this cake stays exceptionally moist at room temperature. Keep it tightly wrapped in plastic wrap or foil on your counter, where it will hold its incredible flavor and texture for up to 3 days.

Refrigeration Storage

Store the tightly wrapped cake in the refrigerator if you plan to keep it longer. It stays fresh, sweet, and perfectly soaked in the fridge for up to 1 week without drying out.

Freezing Guidelines

Wrap individual slices or the entire un-syruped cake tightly in plastic wrap and aluminum foil, then freeze for 2 to 3 months. Note that while the spiced flavor remains identical, the soaked sponge texture may soften slightly upon thawing.

Reheating Instructions

This cake is traditionally enjoyed at room temperature or chilled straight from the fridge. If you prefer it slightly warm, microwave individual slices for 10 to 15 seconds just to release the buttery spices without melting the sugar syrup out of the crumb.

Why You’ll Love This Recipe?

This classic Greek dessert offers an unforgettable blend of warm cinnamon spices, rich toasted nuts, and sweet citrus notes.

  • Unbeatable Moisture: The lemon and cinnamon syrup soaks deep into every bite, ensuring the cake stays wonderfully tender for days.
  • Rich Nutty Crunch: Loaded with toasted walnuts inside the batter and on top, giving every soft slice an incredible contrast in texture.
  • Tastes Better Over Time: An ideal make-ahead dessert because the complex spiced flavors continue to improve as it sits on your counter.
  • Perfect for Holiday Entertaining: Easily feeds a large crowd and brings a touch of authentic Mediterranean bakery charm right into your home.

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