Calories in Leek (cooked)

16kcal per 1/2 cup (52 g)

31 kcal per 100 g · about 1% of a 2,000-kcal day

Leeks bring a mild onion sweetness to soups and gratins for about 16 calories a half-cup. Most of the calories in a leek dish come from the butter or cream.

Leek (cooked) nutrition facts

NutrientPer 100 gPer 1/2 cup
Calories31 kcal16 kcal
Protein0.8 g0.4 g
Carbs7.6 g4 g
Fat0.2 g0.1 g
Fiber1 g0.5 g
Sugar2.1 g1.1 g

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Values based on USDA FoodData Central reference entries. Actual nutrition varies with variety, preparation, and portion. © 2026 NibbleCal.