Who would’ve guessed that humble red lentils could transform into such a stunning, mouthwatering apple cake? If you told me a few years ago that one of my absolute favorite fall treats would be made without a single speck of refined grain or traditional baking flour, I probably wouldn’t have believed you! This is truly the kind of cozy recipe that makes you look twice at the ingredient list—because despite having zero traditional flour, every slice turns out unbelievably soft, light, beautifully apple-filled, and packed with incredible flavor. Red lentils bring an amazing boost of plant-based protein and dietary fiber right into the cake base, while applesauce keeps every bite naturally moist without needing heavy butter.

Combined with a splash of pure maple syrup, airy whipped egg whites, and a gorgeous lattice-like top layer of thinly sliced fresh apples, this naturally gluten-free treat offers all the nostalgia and warmth of a classic French apple tart, but with a surprisingly wholesome, nourishing twist. It’s total proof that eating well never means sacrificing comfort or sweetness! Whether you’re whipping it up for apple season, serving it as a protein-packed weekday breakfast, enjoying it alongside your afternoon tea, or ending the evening with a lighter dessert, this recipe is guaranteed to become a staple in your kitchen rotation.

Red lentils are an absolute nutrition powerhouse that deserve a prime spot in your regular diet! Loaded with complex, slow-burning carbohydrates, abundant soluble and insoluble fiber, and clean plant-based protein, they deliver steady, long-lasting energy without those sudden blood sugar spikes. Beyond macronutrients, red lentils are naturally rich in essential micronutrients like folate, iron, potassium, and magnesium, as well as protective antioxidants. Making red lentils a routine part of your eating habits works wonders for supporting gut health, promoting smooth digestion, aiding heart function, and keeping you feeling comfortably full for hours. Blending them into everyday baked goods is such a clever, seamless way to upgrade your family’s favorite treats with high-value nutrition!

Ingredients

• ¾ cup (140 g) red lentils, dry
• 2 eggs, separated
• ¼ cup (60 ml) maple syrup, plus 1 ½ tbsp for brushing the apples (optional)
• ¼ cup (60 ml) avocado oil, or your oil of choice
• 100 ml applesauce (about ⅓–½ cup or 100 g)
• ½ tsp vanilla extract
• 1 tsp baking powder
• Pinch of salt
• 3 large apples (about 520 g)
• 15 g almond slices, for topping (optional)
• Oil, for greasing the pan

Instructions

1. Soak the red lentils for at least 4 hours at room temperature, or overnight in the refrigerator.
2. Rinse the soaked lentils thoroughly under running water and drain them very well.
3. Separate the eggs, placing the whites in a separate bowl and reserving the yolks for the batter.
4. Transfer the drained lentils to a blender or mixing bowl. Add the egg yolks, maple syrup, avocado oil, and applesauce, then blend until completely smooth and creamy.
5. Stir in the vanilla extract and baking powder until evenly incorporated.
6. In a clean separate bowl, whisk the egg whites with a pinch of salt until stiff peaks form.
7. Gently fold the whipped egg whites into the lentil mixture, taking care not to deflate them so the batter remains light and airy.
8. Grease a 9 × 9-inch (22 × 22 cm) square or circular baking pan with oil and line it with parchment paper.
9. Pour the batter into the prepared pan and gently shake the pan to spread it evenly.
10. Clean, peel, and core the apples, then slice them into thin, equal slices. Arrange the slices in neat columns across the batter to create the characteristic apple-cake or apple-tart look.
11. Sprinkle almond slices into the small spaces between the columns of apples, then brush the apple slices with maple syrup to encourage a beautiful golden finish.
12. Bake in a preheated oven at 350°F (180°C) for about 40–45 minutes.
13. Let the cake cool for 10 minutes before slicing and serving.

Nutritional Information

Per 1 Serving:

• Energy: 218 calories
• Protein: 6.35 g
• Fat: 9.45 g
• Carbohydrates: 28.85 g
• Fiber: 3.8 g

Prep, Cook, and Servings

• Servings: 8 Servings
• Soaking: Soaking Overnight
• Prep Time: 30 mins Prep
• Cook Time: 45 mins Baking

Notes and Recommendations

• Store the cooled cake in an airtight container in the refrigerator for up to 5 days.
• The cake can also be frozen. Slice it first, wrap the pieces well, and freeze for up to about 3 months.
• It’s delicious slightly chilled, but you can also let it come to room temperature before eating.