Which is healthier, Onion or Pesto?

Neither is clearly better — they have different strengths. Onion has 40 calories and 1.1g protein per 100g, while Pesto has 387 calories and 5g protein.

How many calories are in Onion vs Pesto?

Onion contains 40 calories per 100g, while Pesto contains 387 calories per 100g.

Which has more protein, Onion or Pesto?

Pesto has more protein with 5g per 100g compared to 1.1g.

Onion vs Pesto

Nutrition Comparison per 100g

Onion 5

5 Pesto

Vegetables vs Condiments

Side-by-Side Nutrition Facts

Nutrient	Onion	Pesto	Better
Calories	40kcal	387kcal	Onion
Protein	1.1g	5g	Pesto
Total Fat	0.1g	37g	Onion
Carbohydrates	9.3g	7g	Onion
Fiber	1.7g	1.5g	Onion
Sugar	4.2g	1.3g	Pesto
Vitamin C	7.4mg	4mg	Onion
Calcium	23mg	200mg	Pesto
Iron	0.2mg	2mg	Pesto
Potassium	146mg	155mg	Pesto

Macronutrient Breakdown

Onion

Protein: 1.1g Fat: 0.1g Carbs: 9.3g

Pesto

Protein: 5g Fat: 37g Carbs: 7g

Data Source

Nutrition data sourced from the USDA FoodData Central SR Legacy database. All values are per 100g of the food item. Actual nutritional content may vary by preparation method, brand, and serving size.

Onion vs Pesto — Key Takeaway

Onion has 347 fewer calories per 100g than Pesto, making it the lighter option. For protein, Pesto leads with 5g per 100g.

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