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–+ servings

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
Cook Time12 minutes
Course: Dessert
Cuisine: American, European
Keyword: protein cake, protein mug cake, ramekin cake
Servings: 1

Ingredients

  • 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

Instructions

  • 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.

Video

Notes

  • 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

Nutrition

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
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