Flourless Orange and Almond Cake Recipe (Using Whole Oranges)

This cake is bright, rich, and fluffy — and yes, it’s completely flourless! Made with whole boiled oranges and almond flour, it’s naturally gluten-free and full of citrus flavor. It’s the first (and most indulgent) part of our juicy orange recipe series — where we’ll also make fermented oranges, candied peel, salad dressing, frozen juice, and natural cleaners!

Cooking gear

Making a flourless orange and almond cake

Why This Recipe Rocks

  • Made with whole oranges (yes, peel and all!)

  • Totally flourless and naturally gluten-free

  • Moist, zesty, and super fragrant

  • Helps use up a lot of oranges

  • Pairs perfectly with cream, yogurt, or just a good cup of tea

  • Kicks off a zero-waste orange kitchen adventure

servings

Serves:

8 – 12 people

breadboard

Time to Prepare:

1 hour

hour glass

Time to cook or cure:

35 min

Skill

Skill

Baking

servings

Serves:

8 -12 people

breadboard

Time to Prepare:

1 hour

hour glass

Time to cook or cure:

35 min

Skill

Skills:

Baking

Cooking gear

Ingredients & Tools

Ingredients

for the batter

  • 600 grams of whole oranges (about 3 medium oranges)

  • 250 grams almond flour

  • 250 grams cane sugar

  • 6 large eggs

  • 1.5 teaspoons baking soda (bicarbonate of soda)

  • 1 teaspoon salt

 

for the decoration:

  • 1 orange thinly sliced
  • 200 gr mascarpone
  • 2 tablespoons of unrefined sugar
  • 1 teaspoon of vanilla sugar
  • sprigs of mint
  • cinnamon powder to decorate and some cinnamon sticks

Tools

  • Medium saucepan
  • Oven
  • 1 cake springform (23 cm / 9 inch)
  • Baking paper
  • Blender (powerful enough to blend whole oranges)
  • Spatula
  • Small bowl & spoon
  • cutting board 
  • knife

Serving suggestions

  • Serve chilled or at room temperature.

  • Pair with coffee, herbal tea, or a citrus spritz.

  • Add extra orange zest or our candied oranges on top for special occasions!

Directions

1. Boil the Oranges:

  • Place the whole unpeeled oranges in a saucepan and cover with water.

  • Bring to a boil, then drain completely to reduce bitterness.

  • Refill with fresh water, bring to a boil again, then simmer for about 40 minutes, until the oranges are soft all the way through.

  • While they cook, start prepping your cake tin.

2. Prep the Cake Tin:

  • Line the bottom of a 23 cm / 9 inch springform cake pan with baking paper.

  • Close the springform around the paper to secure it in place.

  • Preheat the oven to 180°C (350°F).

3. Blend the Oranges with Eggs:

  • Once the oranges are soft, remove them from the water and allow to cool slightly.

  • Cut them in half and remove any seeds.

  • In a blender, purée the whole oranges (peel and all) together with the eggs into a smooth mixture.

4. Mix the Batter:

  • In a large mixing bowl or stand mixer, add:

    • Almond flour

    • Cane sugar

    • Salt

    • Baking soda

  • Pour in the orange–egg purée.

  • Blend or stir everything together until you have a smooth, uniform batter.

5. Bake the Cake:

  • Pour the batter into your prepared springform tin.

  • Bake in the preheated oven for 35–40 minutes, or until the top is golden and there’s no wobble when you gently shake the pan.

6. Cool Completely:

  • Remove the cake from the oven and let it cool fully in the tin before removing it and adding toppings.

7. Prepare the Mascarpone Cream:

  • In a small bowl, combine:

    • 200 g mascarpone

    • 2 tablespoons unrefined sugar

    • 1 teaspoon vanilla sugar

  • Mix until smooth and creamy.

8. Decorate:

  • Spread the mascarpone cream evenly over the top of the cooled cake.

  • Add thin slices of orange (raw or lightly candied).

  • Top with fresh mint sprigs for color and fragrance.

  • Dust with cinnamon powder.

  • Add a few cinnamon sticks for a rustic, festive look.

Storage

  • Store the undecorated cake in an airtight container at room temp for up to 3 days.

  • With topping, refrigerate and consume within 3–4 days.

  • Cake can be frozen (without topping) for up to 2 months.

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