This sponge cake is the perfect combination of fluffiness and nutritional density. By using whole wheat flour and pure cocoa, we significantly increase the fiber and antioxidant (flavonoid) content, which are essential for cellular health. Thanks to Stevia + Eritrytol 1:1 de Castelló , we achieve the ideal sweetness without refined sugar, making it a dessert suitable for diabetics and for those looking to control their weight. With the addition of Baking powder , we ensure an even rise and a light crumb, while the touch of Bonsalt enhances the intensity of the chocolate.
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Estimated time: 15 min. prep + 25-30 min. baking.
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Difficulty: ⭐ (Easy).
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Servings: 8-10 portions.
Quality Castelló Ingredients
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4 free-range eggs.
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275 g whole wheat flour.
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175 g of Stevia + Eritrytol 1:1 de Castelló
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120 g extra virgin olive oil (mild flavor).
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140 g semi-skimmed milk (or unsweetened plant-based drink).
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50 g unsweetened pure cocoa powder.
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1 packet (16g) of Baking powder
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1 pinch of Bonsalt
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Zest of 1 lemon.
Nutritional Analysis and Technical Sheet
Understanding what we eat is vital. Here is the nutritional breakdown per serving:
| Category | Nutrient / Component | Amount (per serving) | Benefit and Source |
| Macronutrients | Proteins | 5.3 g | Tissue repair (egg and cereal). |
| Healthy Fats | 10.3 g | Cardiovascular health (EVOO). | |
| Carbohydrates | 14.1 g | Slow-release energy (no insulin spikes). | |
| Key Minerals | Potassium (Bonsalt) | 45 g (per 100g) | Helps electrolyte balance. |
| Potassium (Cremor) | 20.7 g (per 100g) | Essential mineral present in natural rising. | |
| Sodium (Bonsalt 0%) | 0 g | 100% free of added sodium. | |
| Vitamins and Other | Calcium and Vitamin D | Notable | Bone and metabolic health. |
| Calories | 129 Kcal | Functional and satisfying baking. |
Step-by-Step Instructions (Procedure)
1. Whisking and Emulsion
Preheat the oven to 170°C. In a large bowl, whisk the eggs with Stevia + Eritrytol 1:1 de Castelló using a whisk until the mixture doubles in volume and turns pale. Gradually add the milk and mild olive oil while continuing to whisk at low speed.
2. Dry Mix (Technique)
In a separate bowl, sift the whole wheat flour together with Baking powder , the pure cocoa, the lemon zest, and the pinch of Bonsalt Using a quality leavening agent is vital here to offset the weight of the cocoa and the fiber in the whole wheat flour, ensuring the cake rises properly.
3. Combining the Batter and Baking
Fold the dry ingredients into the wet mixture with a spatula, using gentle folding motions so as not to lose the air from the initial whisking. Pour into a greased pan and bake for 25-30 minutes. Let cool on a wire rack before unmolding.
Chef's Secrets
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Flavor Enhancer: The pinch of Bonsalt is the professional secret to bringing out the deep notes of pure cocoa without adding sodium, ideal for people with high blood pressure.
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Irresistible Crumb: The Baking powder reacts steadily with the density of the whole wheat flour, preventing the cake from becoming "heavy" and achieving a professional texture.
Healthy and comforting!
This sponge cake shows that you can enjoy a delicious dessert while caring for cardiovascular health and keeping glucose levels stable.
Would you rather have it on its own with coffee, or would you like to add some dark chocolate pearls for extra intensity?
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