What is caramelized onion soup made of?

Primarily onions, broth, and often topped with cheese.

Can this soup be made vegetarian?

Yes, use vegetable broth instead of chicken broth.

Soup

A rich and savory soup made with slowly caramelized onions and broth.

Per 100 g

91 kcal

1 cup

220 kcal

(240 g)

Protein	Carbs	Fat
2 g / 100g	13 g / 100g	3 g / 100g

Where the calories come from

Protein 9% · Carbs 60% · Fat 31%

Share of energy: 4 kcal per gram of protein and carbs, 9 kcal per gram of fat.

1 cup (240 g, 220 kcal) is 11% of a 2,000 kcal day. 2,000 kcal is the reference day used on nutrition labels, not a personal target.
Burning 1 cup takes about 54 min of brisk walking. Estimate for a 70 kg adult walking briskly (about 4 kcal a minute).

Caramelized Onion Soup is number 4 of 6 by calories per 100 g, lowest first. The similar foods average 108 kcal per 100 g.

Nutrition data updated June 13, 2026.

Serving	Grams	Calories
1 cup	240 g	220 kcal
1/2 cup	120 g	110 kcal

7/10

Choose as a low-calorie starter for meals, lots of flavor with few calories.

What is caramelized onion soup made of?: Primarily onions, broth, and often topped with cheese.
How many calories does caramelized onion soup contain?: About 220 calories per cup.
Can this soup be made vegetarian?: Yes, use vegetable broth instead of chicken broth.

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