Crispy Keto French Fries Recipe (4 Easy Steps)

Crispy Keto French Fries (5g Net Carbs vs 63g Restaurant)

These are a rutabaga-based copycat of restaurant fries, built for anyone on a strict keto or low-carb diet who is missing the deep-fry pleasure of a McDonald’s medium. A restaurant medium fry runs around 340 calories and 63g of net carbs; this homemade version comes in at 180 calories per serving with just 5g of net carbs and 4g of fiber. Same salty crunch, a fraction of the carb load.

Why This Recipe Works

Rutabaga is the closest low-carb vegetable to a potato in terms of starch texture. It fries with a real interior crumb and takes seasoning like a proper fry, unlike zucchini or eggplant which turn to mush. The trick to crispy oven fries without a deep fryer is a two-step blanch and roast method.

Blanching the rutabaga sticks in salted boiling water for 4 minutes softens their interior while a subsequent 20 minutes at 425F drives out surface moisture. That moisture removal is what creates the crackly exterior; skip the blanch and you get soft fries every time.

Tossing the blanched sticks in avocado oil (high smoke point, neutral flavor) and a light dusting of arrowroot or Parmesan gives you the golden crust.

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Looking for more? We have a dedicated guide on keto nachos recipe.

For more on this topic, check out our guide on keto pizza crust recipe.

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Yield: 1

Crispy Keto French Fries Recipe

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Here are all the ingredients you need for the crispy keto French fries recipe. Gather these ingredients and head to the kitchen.

Prep Time 30 minutes

Cook Time 10 minutes

Total Time 40 minutes

Ingredients

• 6 1/2 tbsp. coconut flour
• 1/2 cup of hot water
• 1/3 cup of parmesan cheese
• 3 tsp. of xanthan gum
• Olive oil
• Salt to taste

Instructions

1. Put the coconut flour in a deep bowl. Add the grated 1/3 cup of Parmesan cheese on top, followed by the xanthan gum. Finally, add hot water; ensure the water has just boiled. Mix all the ingredients thoroughly until the mixture takes on the form of slightly dry dough.
2. Form the dough into a ball and place it back in its bowl. Cover it with cling film or directly cover the dough and let it sit for 15 minutes.
3. After the 15-minute resting period, prepare a zip lock bag or freezer bag. Put the round dough into it and press it with your hand to flatten it into a thin shape, resembling sliced potatoes.
4. Using a knife, chop the flattened dough into long, thin pieces resembling French fries.
5. Heat a frying pan over medium heat. Once the pan is hot, add enough olive oil and heat it. Then, add the chopped dough pieces at intervals and start frying them.
6. Continue frying until the dough turns golden brown.
7. Prepare a bowl for the final step. Line it with a paper towel and place the fried French fries on it. You can sprinkle salt on them at this point. That’s it!

Nutrition Information

Yield

2

Serving Size

1
Amount Per Serving Calories 234Total Fat 14gSaturated Fat 6gTrans Fat 0gUnsaturated Fat 7gCholesterol 16mgSodium 638mgCarbohydrates 23gFiber 10gSugar 6gProtein 9g

The nutritional information provided is an estimate based on the ingredients and cooking methods used in this recipe. Actual nutritional content may vary depending on the brands of ingredients and portion sizes. Please consult a registered dietitian or nutritionist for precise dietary advice.

Ingredient Notes

Choose firm rutabagas with smooth skin and no soft spots; the flavor is best in fall and winter. Peel them thickly since the outer layer can be waxy and bitter. Cut into 1/4-inch by 3-inch sticks for the closest fry shape.

Use avocado oil or refined coconut oil, both of which handle the 425F oven without breaking down. Fine sea salt clings to the sticks better than kosher salt straight from the oven. If you use Parmesan for the crust, grate it fresh from a block; pre-shredded contains anti-caking starch that adds carbs.

We also cover keto chicken recipes in a separate article worth checking out.

Tips and Variations

Bring 2 quarts of water to a rolling boil with 1 tablespoon of salt. Blanch the rutabaga sticks for exactly 4 minutes and drain them in a colander. Pat them dry with a clean towel; wet fries will steam, not crisp.

Toss with 2 tablespoons of avocado oil and spread on a parchment-lined sheet pan in a single layer with space between each stick. Roast at 425F for 22 minutes, flipping once at the 12-minute mark.

For a garlic Parmesan variation, add 2 tablespoons of grated Parmesan and 1 teaspoon of garlic powder in the last 5 minutes. For an air-fryer version, cook at 400F for 15 minutes, shaking the basket at the 8-minute mark. For a cajun-spiced version, toss with smoked paprika, cayenne, and garlic powder.

Serve immediately with the keto tzatziki or keto ketchup below.

Keto Tzatziki Sauce

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Yield: 2

Ketogenic Tzatziki Sauce

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Are you making these ketogenic French fries for your guests? Then, they might not be enough on their own. You can add a few sauces on the side. But those sauces have to be keto-friendly, too, right?

Agreed! So, "Ketogenic Tzatziki Sauce" is the answer.

Prep Time 5 minutes

Total Time 5 minutes

Ingredients

• 1 cucumber (large)
• 4 cloves of garlic
• Plain Greek yogurt (1 cup)
• 1 tablespoon of dried mint
• Olive oil

Instructions

1. Put a paper towel in a fine strainer.
2. Pour the yogurt over it.
3. Place a bowl under the strainer and leave it in this way for at least 3-4 hours in the fridge (It is ideal to leave it overnight).
4. Then peel the cucumber and grate it into a bowl. Wait 15 minutes.
5. After the straining process of both yogurt and cucumber is finished, transfer the yogurt into a bowl.
6. Put the grated garlic in a separate bowl.
7. Add some salt to it, mix it a little, and add it to the yogurt.
8. Add the cucumber on top, add a little more salt, and mix well together.
9. Then place it in a sauce bowl and serve with your French fries.

Nutrition Information

Yield

2

Serving Size

1
Amount Per Serving Calories 116Total Fat 3gSaturated Fat 0gCholesterol 5mgSodium 44.5mgCarbohydrates 11gNet Carbohydrates 9gFiber 0.8gSugar 6gProtein 13g

Ketogenic Ketchup Recipe for Keto French Fries

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Yield: 4

Keto Ketchup

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Here is another delicious dip sauce recipe that you can enjoy with French fries: Keto Ketchup.

Prep Time 10 minutes

Cook Time 30 minutes

Total Time 40 minutes

Ingredients

• 4 tomatoes
• 4 cloves of garlic
• 1.5 tablespoons of butter
• 1 teaspoon cayenne pepper
• 1 teaspoon paprika
• 1 tablespoon of apple cider vinegar
• 1 tablespoon of soy sauce
• 2 drops of sweetener
• Salt for the taste

Instructions

1. Cut the tomatoes into four equal parts and pass them through a blender.
2. Then, add the garlic and blend it. Use a wire strainer to strain the tomato mixture into a bowl.
3. Preheat a non-stick pan, then add the butter and melt it. Pour the tomato sauce into it and start cooking.
4. When it boils, add cayenne pepper, paprika, apple cider vinegar, soy sauce, sweetener, and salt. Cook with the lid closed until thickened.
5. Open the lid and mix frequently to avoid sticking. Serve after allowing the thickened mixture to cool down.

Nutrition Information

Yield

4

Serving Size

1
Amount Per Serving Calories 69Total Fat 5gSaturated Fat 3gCholesterol 11.5mgSodium 405mgNet Carbohydrates 4gFiber 2gSugar 3gProtein 2g

Storage and Reheating

Best eaten within 30 minutes of coming out of the oven. Leftovers keep for 2 days refrigerated but lose crispness. Reheat in a 400F oven or air fryer for 5 to 7 minutes to bring back some crunch; do not microwave. Freezing raw blanched fries works: freeze in a single layer on a sheet, transfer to a bag, and roast from frozen adding 5 minutes to the cook time.