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Watermelon Feta Cake (Vegan)
How-tos
Ingredients:
Watermelon layers
- 1 large seedless watermelon
Filling & decoration
- 200 g (7 oz) vegan feta cheese, crumbled
- 1 English cucumber, thinly sliced into rounds (2–3 mm)
- 20 fresh mint leaves
- Flaky sea salt, to taste
Equipments:
- Sharp chef’s knife
- Cutting board
- Wire rack
- Baking sheet (to catch drips during chilling)
- Paper towels
- Cake stand or large serving plate
- Offset spatula or butter knife
- Mandoline (optional, for even cucumber slices)
Refined Sugar-Free
Soy-Free
Raw
Features:
Refined Sugar-Free
Soy-Free
Raw
Nutrition:
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Instructions:
Before you start:
- Choose a round watermelon — the more cylindrical the watermelon, the more even your three rounds will be.
- Chill the watermelon before cutting — a cold watermelon holds its shape better and releases less surface moisture during the resting step.
- Clear fridge space — you’ll need room for a wire rack with three watermelon rounds, then later the full assembled cake on its stand.
- Pat everything dry — watermelon, cucumber, and even the serving plate should be as dry as possible before assembly.
- Cut the watermelon rounds. Stand the watermelon upright and slice off both ends to create flat bases. Cut crosswise into three even rounds, each 4–5 cm (1½–2 inches) thick. Trim the rind off each round to create clean circles. Pat each round very dry with paper towels — this is essential for the feta to stick.
- Chill the watermelon. Place the rounds on a wire rack over a baking sheet. Refrigerate uncovered for at least 30 minutes — ideally 1 hour to draw out excess surface moisture.
- Prep the cucumber. Thinly slice into rounds 2–3 mm thick. Pat dry with paper towels. Set aside.
- Assemble the first layer. Place the largest watermelon round on your cake stand or serving plate. Crumble half the vegan feta (100 g / 3.5 oz) evenly across the top. Arrange a single layer of cucumber slices over the feta, slightly overlapping.
- Add the second layer. Place the second watermelon round on top and press down very gently. Crumble the remaining 100 g (3.5 oz) vegan feta over the top. Add another layer of cucumber slices.
- Add the third layer and chill. Place the final watermelon round on top and press gently. Refrigerate for at least 30 minutes before decorating.
- Decorate and serve. Arrange cucumber slices decoratively across the top. Tuck 20 fresh mint leaves between and around the cucumber. Finish with a pinch of flaky sea salt. Slice with a sharp knife wiped clean between each cut and serve immediately.
Why these Ingredients
Watermelon rounds — three thick cross-sections of a whole watermelon create the structural layers without any baking. Thickness (4–5 cm) and thorough drying are the two non-negotiables — watermelon is over 90% water, so surface moisture is what causes everything to slide.
Vegan feta — its salty, tangy flavor is the perfect contrast to sweet watermelon. Used crumbled rather than blended it adds texture to every layer and creates the signature savory-sweet balance this cake is built on.
Cucumber — adds cool crunch between the layers and doubles as elegant decoration on top. Thinly sliced rounds overlap neatly and stay crisp much longer than leafy greens.
Fresh mint — mint and watermelon is one of the most classic summer pairings. Used only as decoration so it stays vibrant and doesn’t wilt into the cake before serving.
Flaky sea salt — a final pinch over the top amplifies both the sweetness of the watermelon and the savoriness of the feta, tying the whole cake together.
Common Mistakes, Notes, Prep in Advance, Storage, Swaps & Tips
Common mistakes
- Not drying the watermelon thoroughly — skipping the paper towel step means the feta slides right off. Dry each round well before chilling and again just before assembling.
- Assembling too far in advance — watermelon releases water over time; assemble no more than 2 hours before serving.
- Cutting rounds too thin — rounds thinner than 4 cm will crack under the weight. Keep each layer at least 4 cm thick.
- Not chilling between steps — both resting steps are essential for clean slicing. Don’t skip them.
- Using a blunt knife — a dull knife drags and tears the watermelon flesh. Use the sharpest knife you own.
Notes
- Best served the same day — the assembled cake is best within 2 hours of assembly.
- Round watermelons work best — more spherical watermelons produce more even, symmetrical rounds that stack neatly.
- Vegan feta brands vary — some are saltier or drier than others. Taste before crumbling and adjust flaky salt accordingly.
Prep in advance
- Watermelon rounds can be cut, dried, and chilled up to 1 day ahead on a wire rack in the fridge. Pat dry again just before assembling.
- Cucumber slices can be cut and stored in a sealed container up to 1 day ahead. Pat dry before using.
Storage
- The assembled cake does not store well overnight. If you have leftovers, separate the layers and wrap each watermelon round individually. Store feta and cucumber separately and consume within 1 day.
Tips
- Use a mandoline for cucumber slices — ultra-thin, even slices look far more polished as decoration.
- Add the mint just before serving — mint wilts quickly on a cold surface.
- A cake turntable makes arranging the cucumber and mint much easier.
Swaps
- Dairy feta can replace vegan feta if not vegan — remove the (Vegan) label from the recipe name.
- Persian cucumbers work well in place of English cucumber — use 2–3 small ones.
- Basil or dill can replace or mix with the mint for a different flavor profile.
- Lemon zest scattered on top adds brightness alongside the mint.
Watermelon Feta Cake (Vegan)
8 servings
Prep 20 min
No cook
Ingredients:
Watermelon layers
- 1 large seedless watermelon
Filling & decoration
- 200 g (7 oz) vegan feta cheese, crumbled
- 1 English cucumber, thinly sliced into rounds (2–3 mm)
- 20 fresh mint leaves
- Flaky sea salt, to taste
Features:
Refined Sugar-Free
Soy-Free
Raw
Instructions:
- Cut the watermelon rounds. Stand the watermelon upright and slice off both ends to create flat bases. Cut crosswise into three even rounds, each 4–5 cm (1½–2 inches) thick. Trim the rind off each round to create clean circles. Pat each round very dry with paper towels — this is essential for the feta to stick.
- Chill the watermelon. Place the rounds on a wire rack over a baking sheet. Refrigerate uncovered for at least 30 minutes — ideally 1 hour to draw out excess surface moisture.
- Prep the cucumber. Thinly slice into rounds 2–3 mm thick. Pat dry with paper towels. Set aside.
- Assemble the first layer. Place the largest watermelon round on your cake stand or serving plate. Crumble half the vegan feta (100 g / 3.5 oz) evenly across the top. Arrange a single layer of cucumber slices over the feta, slightly overlapping.
- Add the second layer. Place the second watermelon round on top and press down very gently. Crumble the remaining 100 g (3.5 oz) vegan feta over the top. Add another layer of cucumber slices.
- Add the third layer and chill. Place the final watermelon round on top and press gently. Refrigerate for at least 30 minutes before decorating.
- Decorate and serve. Arrange cucumber slices decoratively across the top. Tuck 20 fresh mint leaves between and around the cucumber. Finish with a pinch of flaky sea salt. Slice with a sharp knife wiped clean between each cut and serve immediately.
