Healthy Chocolate Cake with Oats (No Oil, No Sugar, High Protein)

If you’ve ever craved chocolate cake but didn’t want the sugar crash or calorie overload, this healthy chocolate cake with oats is about to become your new favorite dessert. It’s naturally sweetened, oil-free, and made with wholesome ingredients—plus, it’s secretly packed with protein.
Whether you’re on a fitness journey, watching your sugar intake, or just looking for a lighter dessert that still hits the spot, this cake is everything you want in a guilt-free treat.
🍫 Why You’ll Love This Healthy Chocolate Cake
- No refined sugar – sweetened with monk fruit, a zero-calorie natural sweetener
- No oil or butter – made without added fats
- Made with oats – high in fiber, naturally gluten-free if certified
- High protein – thanks to non-fat Greek yogurt and eggs
- Only ~100 calories per slice – perfect for daily treats or meal prep
- So easy to make – no fancy equipment or skills required
📝 Ingredients You’ll Need
- 3 eggs
- 150 g oats (1¾ cup), ground into flour
- 140 g non-fat Greek yogurt (½ cup)
- 65 g monkfruit sweetener (⅓ cup)
- 20 g cocoa powder (¼ cup)
- 1 tsp baking powder
- ½ tsp baking soda
- 1 tsp vanilla extract
- 60 g 2% milk (⅓ cup)
Optional topping:
- 1½ oz chocolate + 2 tbsp milk, melted for a drizzle

👩🍳 How to Make Healthy Chocolate Cake with Oats
- Start by prepping your ingredients.
Grind oats into a fine flour using a blender or food processor. - Mix the wet ingredients.
In a bowl, whisk 3 eggs with monkfruit sweetener until well combined. Add vanilla extract and Greek yogurt, and mix again. - Combine the dry ingredients.
Sift in oat flour, cocoa powder, baking powder, baking soda, and a pinch of salt. - Mix the batter.
Stir gently—cocoa powder can puff up! The batter will be thick. Thin it out by adding milk. - Bake.
Pour into a parchment-lined 8×8″ baking dish. Bake at 350°F (175°C) for 40–45 minutes. Test with a toothpick—it should come out clean. - Cool and serve.
Let the cake cool slightly before slicing. For a fun topping, melt chocolate with a little milk for a rich but light drizzle.

📊 Nutrition Info (Per Serving, without topping)
- Calories: ~100
- Protein: ~6g
- Carbohydrates: 22g added
- Fat: 3g
💡 Tips for the Best Results
- Use non-fat Greek yogurt for maximum protein and the lightest texture
- Adjust sweetness to taste if not using monkfruit
- Want extra richness? Add a drizzle of dark chocolate or a spoonful of nut butter
- This cake stores well in the fridge for up to 4 days

🌟 Final Thoughts
This healthy chocolate cake with oats tastes indulgent but fits right into a clean-eating lifestyle. Whether you’re prepping snacks for the week or need a last-minute dessert that won’t derail your goals, this recipe is a must-try.

👉 Watch the full step-by-step video here: [YouTube Video Link]
📌 Save this recipe for later and share it with a friend who loves guilt-free sweets!

Healthy Chocolate Cake with Oats (No Oil, No Sugar)
Ingredients
- 3 large eggs
- 150 g oats 1¾ cups, ground into flour
- 140 g non-fat Greek yogurt ½ cup
- 65 g monkfruit sweetener ⅓ cup
- 20 g unsweetened cocoa powder ¼ cup
- 1 tsp baking powder
- ½ tsp baking soda
- 1 tsp vanilla extract
- 60 g 2% milk ⅓ cup
- Pinch of salt
Optional Topping:
- 1½ oz dark chocolate
- 2 tbsp milk
Instructions
- Preheat oven to 350°F (175°C). Line an 8×8 inch baking dish with parchment paper.
- Grind oats into a fine flour using a blender or food processor.
- In a large bowl, whisk eggs and monkfruit until smooth. Add vanilla and yogurt, and mix again.
- Sift in oat flour, cocoa powder, baking powder, baking soda, and a pinch of salt.
- Stir gently to combine. Batter will be thick—add milk to loosen it.
- Pour batter into the prepared baking dish.
- Bake for 40–45 minutes or until a toothpick inserted in the center comes out clean.
- Let the cake cool slightly before slicing.
- Optional: Melt chocolate with milk and drizzle over cake before serving.
Notes
- Use certified gluten-free oats if necessary.
- Store leftovers in the fridge for up to 4 days.
- For a richer cake, replace monkfruit with honey (adjust calories accordingly).
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