Are fiddleheads keto?

Fiddleheads

Keto-friendly Yes — fiddleheads are keto-friendly.

Coiled young fern fronds with under 5 g carbs per 3 oz — USDA lists no fiber value, so net carbs are likely lower. Always cook them thoroughly, then sauté with butter and garlic.

Nutrition per serving

3 oz · 85 g
Net carbs
4.7g
Calories
29kcal
Protein
3.9g
Fat
0.3g
Total carbs
4.7 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 24%

About 90.9 g of fiddleheads adds up to 5 g net carbs — roughly 1.1 typical servings.

Nutrition facts for fiddleheads
NutrientPer servingPer 100 g
Calories29 kcal34 kcal
Total carbohydrate4.7 g5.5 g
Dietary fiber0 g0 g
Net carbs4.7 g5.5 g
Protein3.9 g4.6 g
Fat0.3 g0.4 g

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Frequently asked questions

Are fiddleheads keto?

Yes — fiddleheads are keto-friendly. Coiled young fern fronds with under 5 g carbs per 3 oz — USDA lists no fiber value, so net carbs are likely lower. Always cook them thoroughly, then sauté with butter and garlic.

How many net carbs are in fiddleheads?

3 oz (85 g) of fiddleheads has about 4.7 g net carbs (4.7 g total carbs minus 0 g fiber). Per 100 g, that's 5.5 g net carbs.

How much fiddleheads can I eat on keto?

About 90.9 g of fiddleheads adds up to 5 g net carbs — roughly 1.1 typical servings. On a typical 20 g daily limit, one serving uses about 24% of your carbs.

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Source: USDA FoodData Central (SR Legacy #169405): Fiddlehead ferns, raw. Net carbs = total carbohydrate − fiber. Rating: Keto-friendly — Low in net carbs per typical serving (about 5 g or less). Fits easily into a 20–30 g daily limit. How we rate foods. Last reviewed October 18, 2026.

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