Most “protein muffins” are either rubbery or taste like gym chalk. These? Light, fluffy, slightly lemony, and bursting with juicy blueberries. Plus, they’re made with cottage cheese and whey—so the texture is tender, not dense. One batch = breakfast for days.
💡 What Solves the “Dry Protein Muffin” Problem
- Cottage cheese + eggs bring moisture and structure without adding carbs.
- Almond flour keeps the crumb tender and naturally low-carb.
- Whey protein adds a solid boost without overpowering flavor—no sad aftertaste.
- Blueberries + lemon zest make these feel like actual muffins, not meal replacement blocks.
🧾 What I Used (And Why It Worked)
Wet Ingredients
- 3 large eggs – Base structure + protein.
- ¾ cup cottage cheese (160g) – Adds moisture and extra protein.
- ⅓ cup butter, melted + cooled (80g) – Richness and softness.
- 1 tbsp lemon juice (12g) – Reacts with baking powder for lightness.
- 1 tsp vanilla extract – Flavor balance.
Dry Ingredients
- 1¼ cups almond flour (125g) – Low-carb structure, keeps things fluffy.
- ½ cup whey protein powder (50g) – Clean protein boost.
- ⅓ cup granulated erythritol or allulose (60g) – Sweetness without blood sugar hit.
- ½ tbsp baking powder – Essential rise.
- Zest of 1 lemon (2 tsp) – Bright, bakery-fresh taste.
- ½ cup fresh blueberries (70g) – Optional, but highly recommended.
🔁 Keto-Friendly Variations I’ve Tried
Swap | Texture Outcome | Still Low-Carb? |
---|---|---|
Hemp protein instead of whey | More earthy, slightly denser | Yes |
Frozen blueberries | Slightly wetter, still delish | Yes |
Coconut oil instead of butter | Firmer when chilled | Yes |
All cottage cheese, no butter | Less rich, still moist | Yep |
⚠️ What Went Sideways (And Why)
What Went Wrong | Why It Happens | How to Fix It |
---|---|---|
Dry texture | Overbaked | Pull them at 17–20 min, they firm as they cool |
Greasy bottoms | Butter pooled in silicone | Stir batter again before scooping |
Flat tops | Didn’t blend eggs enough | Whip them first for volume boost |
👩🍳 How to Make It (Step-by-Step)
- Preheat oven to 350°F (180°C). Line muffin tin with paper or silicone cups.
- Whisk eggs for 2 minutes until light and frothy.
- Add cottage cheese, melted butter, lemon juice, vanilla. Blend until smooth.
- Add almond flour, whey protein, baking powder, sweetener, lemon zest. Stir to combine.
- Divide into muffin cups. Press a few blueberries into each muffin, some on top.
- Bake 17 mins for minis, 20 mins for regular. Do not overbake.
- Cool 2 mins in pan, then transfer to wire rack.

🧠 Tricks That Made This Work Better
- Blending eggs separately first helps avoid dense muffins.
- I push some blueberries inside the batter and leave some on top = best fruit-to-bite ratio.
- Freeze in pairs for portion control—then just reheat and go.
🧊 Freezing + Reheating Without Ruining It
- Fridge: 5 days in airtight container.
- Freezer: Up to 3 months. Wrap individually or store in airtight bag.
- Reheat: Microwave 30 seconds or warm in toaster oven at 300°F for 5 mins.
❓ Real Keto Questions, Real Answers
Are blueberries okay on keto?
Yes—½ cup across 8 muffins = less than 1g net carb per muffin from fruit.
Can I use vegan protein?
Yes, but the texture will be denser. Pea or hemp works best if you sub.
Can I skip the cottage cheese?
You can try Greek yogurt, but the texture will be slightly more tangy and less fluffy.
🧾 Full Nutrition Facts Per Regular Muffin (8 total):
Nutrient | Amount |
---|---|
Calories | 239 kcal |
Total Fat | 19.1g |
Saturated Fat | 6.2g |
Carbs | 4.5g |
Fiber | 1.2g |
Net Carbs | 3.3g |
Protein | 13.9g |
Sodium | 120mg |
Potassium | 140mg |
Sugar (natural) | ~1.2g |
Calcium | ~70mg |
Iron | ~1mg |
Check out More Recipes:
- Sugar-Free Lemon Muffins – Bright, Fluffy, and Low-Carb Approved
- Sugar-Free Apple Muffins – Low-Carb, Cinnamon-Kissed, and Snackable
- Sugar-Free Raspberry Muffins – Keto-Friendly, One Bowl, and Actually Low-Carb

Sugar-Free Protein Muffins – High-Protein, Low-Carb, and Blueberry-Stuffed
Description
Fluffy, lemony high-protein muffins packed with blueberries and made without sugar or grains—perfect for low-carb breakfasts or post-workout snacks.
Ingredients
Wet:
Dry:
Instructions
- Preheat oven to 350°F (180°C). Line muffin tray.
- Whisk eggs until frothy. Add wet ingredients and blend smooth.
- Stir in dry ingredients until just combined.
- Fill muffin cups, press in blueberries.
- Bake 17–20 mins. Cool 2 mins in pan, then transfer to rack.
Notes
- Don’t overbake—these firm as they cool.
- Use a protein powder you like the flavor of—this matters.
- Want extra lemony kick? Add a splash of lemon extract.
- Store leftovers in fridge or freezer for fast low-carb fuel.