Single Serve Protein Cake (Vanilla Ramekin Cake with Collagen, No Flour)
This single serve protein cake is soft, simple, and made with collagen for a light protein boost. Ready in minutes with pantry ingredients, perfect for a quick homemade dessert.
Prep Time5 minutes mins
Cook Time12 minutes mins
Course: Dessert
Cuisine: American, European
Keyword: protein cake, protein mug cake, ramekin cake
Servings: 1
- 1 large egg
- 2 tbsp almond flour 14 g / 0.5 oz
- 1 tbsp hydrolyzed collagen 10 g / 0.35 oz
- 1 tbsp melted butter or oil 14 g / 0.5 oz
- 1 –2 tbsp sweetener 15–30 ml
- 1 tbsp heavy cream or milk 15 ml
- 1 tsp cornstarch optional, to absorb moisture and create texture
- 1/4 tsp baking powder 1 g
- 1/2 tsp vanilla extract 2–3 ml
- pinch of salt
Optional add-ins:
- chocolate chips 15–20 g / 0.5–0.7 oz
- berries
- white chocolate
- lemon zest
Preheat oven to 200°C (392°F), no fan and grease a ramekin.
In a bowl, whisk egg, melted butter, sweetener, cream (or milk), and vanilla.
Add almond flour, collagen, baking powder, cornstarch (optional) and salt. Mix until smooth.
Batter should be thick, not runny. Adjust with almond flour, cornstarch or milk if needed.
Pour into ramekin and add toppings.
Bake:
10–11 minutes for soft center
12 minutes for balanced texture
13–14 minutes for firmer cake
Let rest 2–3 minutes before serving.
- Do not exceed 1 tbsp collagen
- Almond flour provides structure
- Add cornstarch to absorb the moisture
- Heavy cream = richer texture
- Milk = lighter texture (nut milk for low-carb)
- Slight underbake gives best results
- Microwave option: 60–90 seconds
Calories: 251kcal | Carbohydrates: 5g | Protein: 9g | Fat: 23g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 0.5g | Cholesterol: 194mg | Sodium: 173mg | Potassium: 168mg | Fiber: 2g | Sugar: 1g | Vitamin A: 587IU | Calcium: 119mg | Iron: 1mg