Garlic Substitute for Onion: Exact Ratio
Looking for a onion substitute? Garlic works as a direct replacement. Use Use 25% in any recipe that calls for onion.
Best Substitute
Garlic
Use 25%
Garlic works as a substitute for onion in many recipes. Use 25% of the original amount to start, then adjust if needed. This option is more concentrated than onion, so small adjustments make a noticeable difference. Taste near the end and fine-tune if the dish needs a little more punch.
Tips When Replacing Onion in Recipes
Shallots are usually the easiest onion swap because they still give you allium flavor with only a mild sweetness shift. If the onion is meant to disappear into the dish, onion paste or onion powder can be easier than another fresh vegetable.
What Is Onion and Why Substitute It?
Good onion substitutes depend on whether the recipe needs sweetness, body, or just background aroma. These options cover raw uses, cooked dishes, sauces, soups, and savory bases.
Garlic is one of 11 alternatives you can use instead of onion. For a complete list of onion substitutes with ratios and cooking tips, visit the full onion substitute page.
What Else Can I Use Instead of Onion?
Shallots instead of Onion
View substitute ratio →
Chives instead of Onion
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Green Onions instead of Onion
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Leek instead of Onion
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Minced/Chopped Onion instead of Onion
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Onion Paste instead of Onion
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Frequently Asked Questions
Can I use garlic instead of onion?
Yes, you can use garlic as a substitute for onion. Use Use 25%. Garlic works as a substitute for onion in many recipes. Use 25% of the original amount to start, then adjust if needed. This option is more concentrated than onion, so small adjustments make a noticeable difference. Taste near the end and fine-tune if the dish needs a little more punch.
How much garlic equals onion?
Use Use 25% to replace onion with garlic.
What is the best substitute for onion?
Garlic is a popular substitute for onion. Use Use 25% for a 1-to-1 replacement. See all 11 alternatives on our onion substitute page.
Is garlic a vegan substitute for onion?
Yes, garlic is vegan and works as a plant-based alternative to onion. Use Use 25%.