High-Protein Keto Vanilla Madeleines
Delicate French shell cakes with the signature hump — low carb, sugar-free, ready in 35 minutes
These high-protein keto vanilla madeleines are the classic French tea cake made low-carb: buttery, vanilla-scented little shell cakes with the signature hump, sweetened without sugar.
Per serving (2–3 cakes): 7 g protein, 2.5 g net carbs, 145 calories — ready in 35 minutes.
Why you’ll love these madeleines
- 7g protein per serving — a treat with substance
- Only 2.5g net carbs and fully sugar-free
- Classic French shell shape with the signature hump
- Buttery vanilla flavor, tender crumb
- Ready in 35 minutes
- Elegant enough for guests, easy enough for Tuesday
Health notes
- High protein: 7g per serving from vanilla protein powder and eggs.
- Low carb: Just 2.5g net carbs per serving.
- Sugar-free: Powdered sugar-free sweetener — no added sugar.
- Gluten-free: Almond-flour base is naturally gluten-free.
Key element — chill the batter 15 minutes for the hump
Rest the batter in the fridge 15 minutes before baking. Cold batter hitting a hot pan is the classic secret behind the madeleine’s signature hump.
Ingredients
Dry
- 1 cup almond flour
- ½ cup vanilla protein powder (whey or whey-casein blend)
- ½ cup powdered sugar-free sweetener
- 2 tsp baking powder
- ¼ tsp salt
Wet
- 3 large eggs
- ⅓ cup unsalted butter, melted and slightly cooled
- ¼ cup sour cream (or Greek yogurt)
- 2 tsp vanilla extract
- ¼ tsp almond extract (optional)
Swaps
- Dairy-free: Use coconut oil for the butter and coconut yogurt for the sour cream.
- Lemon: Add 1 Tbsp lemon zest and 1 tsp lemon juice for lemon madeleines.
- Chocolate: Dip the cooled shells in melted sugar-free chocolate.
- No madeleine pan: Bake in a mini muffin tin — same temp, 10–12 minutes.
Instructions
| 1 | Heat the oven. Heat to 375°F. Grease a 12-shell madeleine pan generously with butter. |
| 2 | Mix the dry. Whisk the almond flour, protein powder, sweetener, baking powder, and salt in a large bowl. |
| 3 | Mix the wet. In a second bowl, whisk the eggs, melted butter, sour cream, vanilla, and almond extract. Stir the wet into the dry until just combined. |
| 4 | Chill the batter. Cover and refrigerate the batter 15 minutes — this is what creates the signature hump. |
| 5 | Fill and bake. Spoon the cold batter into the shells, filling each ¾ full. Bake 10–12 minutes until golden and springy to the touch. |
| 6 | Unmold and cool. Cool 5 minutes in the pan, then turn out onto a wire rack. Repeat with remaining batter if needed — makes about 18. |
Pro tips
- Don’t skip the batter chill — warm batter won’t form the hump.
- Grease the pan well — the shell ridges love to stick.
- Fill shells ¾ full — they rise into the classic shape.
- Use a whey-casein protein blend if you can — pure whey can make them rubbery.
- Madeleines are best the day they’re baked — freeze extras the same day.
Nutrition
| Nutrient | Per serving (2–3 cakes) |
|---|---|
| Calories | 145 |
| Protein | 7g |
| Net carbohydrates | 2.5g |
| Total carbohydrates | 3.5g |
| Fiber | 1g |
| Total fat | 11g |
| Sodium | 150mg |
Per serving (2–3 cakes, 6 servings), based on almond flour, vanilla protein powder, eggs, butter, sour cream, and sugar-free sweetener.
Variations
Lemon
Add 1 tablespoon of lemon zest and 1 teaspoon of lemon juice to the wet ingredients.
Chocolate-dipped
Dip the cooled shell side in melted sugar-free chocolate and let set.
Almond
Double the almond extract and skip the vanilla for an almond-forward version.
Spiced
Add ½ teaspoon of cinnamon and a pinch of nutmeg to the dry ingredients.
Storage
| Method | Time | Notes |
|---|---|---|
| Room temperature | Up to 2 days | Airtight container |
| Refrigerator | Up to 5 days | Bring to room temp before serving |
| Freezer | Up to 2 months | Freeze the same day they’re baked; thaw at room temp |
FAQ
Test your knowledge
5 quick questions about these madeleines
1. Protein per serving (2–3 cakes)?
2. Net carbs per serving?
3. What’s the secret to the signature hump?
4. How long until the madeleines are ready?
5. What temperature do the madeleines bake at?
