Orange Upside-Down Cake (Vegan & Gluten-Free)

Soft citrus cakes feel especially comforting when the kitchen is quiet and the light starts turning golden in the afternoon. This one is bright, fragrant, and simple in the best way. The oranges melt slightly into the top while baking, becoming almost jammy and delicate against the soft vanilla crumb.

It is the kind of cake that looks beautiful without trying too hard. Slightly rustic, glossy from the baked fruit, and perfect with tea, coffee, or eaten cold straight from the fridge the next morning.

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Orange Upside-Down Cake

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⏱️ Time & Prep

Prep time: 20 minutes
Bake time: 40–45 minutes
Total time: ~1 hour
Yield: 8 slices

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Ingredients

Orange Layer

• 2 medium oranges
• 1/2 cup erythritol
• 2 tbsp unsweetened plant milk

Cake Batter

• 1 1/2 cups oat flour
• 1/2 cup almond flour
• 1/2 cup erythritol
• 1 tsp baking powder
• 1/2 tsp baking soda
• pinch of salt
• 1/2 cup unsweetened soy milk
• 1/3 cup unsweetened applesauce
• 1 tsp vanilla extract
• juice of 1/2 orange
• zest of 1 orange

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Instructions

1. Preheat the oven to 175°C (350°F).
2. Line a round cake pan with baking paper.
3. Slice the oranges into thin rounds. Remove any seeds.
4. In a small bowl, mix the erythritol with plant milk for the orange layer. Spread it across the bottom of the pan.
5. Arrange the orange slices on top in a single layer.
6. In a large bowl, whisk together oat flour, almond flour, erythritol, baking powder, baking soda, and salt.
7. Add soy milk, applesauce, vanilla, orange juice, and orange zest. Stir until smooth.
8. Pour the batter gently over the oranges and smooth the top.
9. Bake for 40–45 minutes, until golden and firm in the center.
10. Let the cake cool for about 15 minutes before carefully flipping it onto a plate.
11. Allow it to cool slightly before slicing so the orange layer can settle properly.

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Notes & Variations

• Almond flour gives the cake a softer texture, but sunflower seed flour also works well.
• For a deeper citrus flavor, add a little lemon zest to the batter.
• Blood oranges make an especially beautiful version in winter.
• If you prefer a moister cake, add 2–3 tablespoons extra applesauce.

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Nutrition (per slice)

Nutrient	Per Slice
Calories	185 kcal
Protein	5 g
Fat	8 g
Carbohydrates	22 g
Fiber	4 g

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