10 Low-Carb Protein Bar Recipes (That Actually Taste Good)

Store-bought protein bars are often a lie. They promise fuel, but deliver sugar, soy crisps, and a weirdly bitter aftertaste. If you’re after a protein boost that actually works on keto (and doesn’t taste like packing peanuts) then it’s time to go DIY.

These 10 low-carb protein bar recipes are real-food, no-bake (mostly), and freezer-friendly. Whether you want post-workout fuel or a desk-drawer snack, there’s something here that won’t spike your blood sugar or ruin your macros.

What Makes a Good Keto Protein Bar?

There’s more to a keto protein bar than just “low in carbs.” Here’s what to look for (or aim for if you’re making your own):

  • Low net carbs (ideally under 5g per bar)
  • 10–15g protein to keep you full
  • Healthy fats from nuts, seeds, or coconut
  • Binders like nut butter or protein powder to hold it all together
  • Minimal weirdness? skip maltitol, fillers, and chalky textures

How to Make Low-Carb Protein Bars

Making them at home is surprisingly easy. Here’s the basic process:

  1. Choose your dry base: Almond flour, protein powder, coconut, or seeds
  2. Mix in flavour add-ins: Chopped nuts, spices, cacao, or sugar-free chocolate chips
  3. Stir in a wet binder: Nut butter, coconut oil, or eggs
  4. Sweeten with erythritol, stevia, or monk fruit
  5. Press into a pan and chill or bake if needed

And that’s it. These recipes do all the measuring and testing for you. Just pick your favourite and try not to eat the whole batch at once.

10 Keto-Friendly Protein Bar Recipes

Recipe Nutritional Information (per serve) Time

1. Keto Pecan Pie Protein Bars

  • 3g carbs
  • 8.8g protein
  • 22.2g fat
  • 251 calories

Prep time: 15 mins | Chill time: 1 hour

2. Low-Carb Protein Bars

  • 8.4g carbs
  • 3.8g protein
  • 15.6g fat
  • 242 calories

Prep time: 5 mins | Chill time: 1 hour

3. Low-Carb Superfood Protein Bars

  • 5,1g carbs
  • 5g protein
  • 7.5g fat
  • 102 calories

Prep time: 10 mins | Chill time: 4-6 hours

4. Keto Protein Bars

  • 2.8g carbs
  • 10.3g protein
  • 19.5g fat
  • 250 calories

Prep time: 5 mins | Cook time: 5 mins

5. Chocolate-Covered Keto Protein Bars

  • 2.4g carbs
  • 1.8g protein
  • 6.9g fat
  • 70 calories

Prep time: 15 mins | Chill time: 1 hour

6. Low-Carb Chocolate Fudge Protein Bars

  • 3g carbs
  • 6g protein
  • 13g fat
  • 151 calories

Prep time: 10 mins | Chill time: 1 hour

7. Protein Snickers Bar

  • 9g carbs
  • 26.1g protein
  • 9g fat
  • 196 calories

Prep time: 30 mins | Cook time: 0 mins

8. Keto Low-Carb Protein Bars with Hazelnuts

  • 2g carbs
  • 8g protein
  • 16g fat
  • 182 calories

Prep time: 15 mins | Chill time: 1-2 hours

9. Homemade Protein Bars

  • 3.4g carbs
  • 13.7g protein
  • 19.2g fat
  • 260 calories

Prep time: 10 mins | Chill time: 1 hour

10. No-Bake Red Velvet Protein Bars

  • 4g carbs
  • 10g protein
  • 10g fat
  • 174 calories

Prep time: 5 mins | Cook time: 5 mins

1. Keto Pecan Pie Protein Bars

Keto pecan pie protein bars

Image credit: All Day I Dream About Food

If pecan pie and a protein bar had a baby, it’d be this. Rich with caramel flavour, packed with healthy fats, and bound with collagen, these no-bake bars are a freezer staple.

Per serve: 3g net carbs, 8.8g protein, 22.2g fat, 251 calories.

Get the full recipe

2. Low-Carb Protein Bars

Low carb protein bars

Image credit: Oh So Foodie

Four ingredients. No oven. And somehow they taste like actual dessert. Peanut butter and keto vanilla protein make this an easy, family-friendly snack.

Per serve: 8.4g carbs, 3.8g protein, 15.6g fat, 242 calories.

Get the full recipe

3. Low-Carb Superfood Protein Bars

Low carb superfood protein bars

Image credit: Healthy Substitute

These bars are what your morning smoothie wishes it could be. Loaded with flax, cacao, hemp, and coconut oil—plus protein and peanut butter for staying power.

Per serve: 5.1g carbs, 5g protein, 7.5g fat, 102 calories.

Get the full recipe

4. Keto Protein Bars

Keto protein bars

Image credit: Joy Filled Eats

Nutty, salty, and satisfying. These bars get their bulk from hemp hearts and roasted peanuts, with a hit of creaminess from heavy cream and peanut butter chips.

Per serve: 2.8g carbs, 10.3g protein, 19.5g fat, 250 calories.

Get the full recipe

5. Chocolate-Covered Keto Protein Bars

Chocolate covered keto protein bars

Image credit: Keto Pots

A coconutty centre wrapped in a sugar-free chocolate shell; these feel more like a treat than a protein bar. No baking, just chilling (and maybe hiding from your family).

Per serve: 2.4g carbs, 1.8g protein, 6.9g fat, 70 calories.

Get the full recipe

6. Low-Carb Chocolate Fudge Protein Bars

Low carb chocolate fudge protein bars

Image credit: Sugarfree Mom

These nut-free chocolate bars use sunflower seed butter for richness and fibre. Great for freezing and perfect for chocoholics trying to avoid sugar crashes.

Per serve: 3g net carbs, 6g protein, 13g fat, 151 calories.

Get the full recipe

7. Protein Snickers Bar

Protein Snickers bar

Image credit: Low Carb Lab

This is your protein-packed answer to candy cravings. Peanuts, caramel, and chocolate in a surprisingly balanced low-carb format. Yes, it’s still keto.

Per serve: 9g carbs, 26.1g protein, 9g fat, 196 calories.

Get the full recipe

8. Keto Protein Bars with Hazelnuts

Low carb protein bars with hazelnuts

Image credit: Wholesome Yum

Hazelnuts, almond flour, collagen, and cocoa make these bars rich and fudgy. A drizzle of melted chocolate makes them look (and taste) way more indulgent than they are.

Per serve: 2g net carbs, 8g protein, 16g fat, 182 calories.

Get the full recipe

9. Homemade Protein Bars

Homemade protein bars

Image credit: Diabetes Strong

These bars are basically peanut butter cups in disguise. Soft, nutty, and sweet without sugar, they’re packed with fibre and freezer-friendly too.

Per serve: 3.4g net carbs, 13.7g protein, 19.2g fat, 260 calories.

Get the full recipe

10. No-Bake Red Velvet Protein Bars

No bake red velvet low carb protein bars

Image credit: The Big Man’s World

Yes, they’re red. Yes, they’re good. These no-bake bars are soft, slightly chocolatey, and naturally tinted with beet powder (don’t worry—you won’t taste it).

Per serve: 4g net carbs, 10g protein, 10g fat, 174 calories.

Get the full recipe

Wrap-Up: Why Homemade Protein Bars Win

The best part about homemade protein bars? You control everything. No weird fillers, no surprises, and no $4 per bar price tags. Once you find a few you like, it’s easy to batch prep and freeze. Most bars in this list hold up well in the fridge for up to a week or the freezer for months.

Experiment with mix-ins, tweak the sweetness, and build a snack stash that actually supports your goals. Whether it’s fuel for a workout or a midday pick-me-up, these keto-friendly bars do the job—without the crash.