How Much Red Onion to Substitute for Garlic
Works for sauteing, frying, and slow cook. Red Onion comes across milder than Garlic.
How much red onion equals one garlic clove?
Use 1/2 small red onion minced per garlic clove.
Health notes
Compared with Garlic, Red Onion has: less calories (32 vs 149 per 100g in Garlic), less protein (0.8g vs 6.4g per 100g in Garlic), and less carbs (7.6g vs 33.1g per 100g in Garlic).
Using red onion as a garlic substitute in pan-frying
1/2 small onion per clove; start onion first, cook 8-10 min.
Other cooking methods
- Frying
1/2 small onion per clove; sweat before adding other aromatics.
- Slow Cook
1/2 small onion per clove; add early for sweet base.
- Grilling
1/2 small onion per clove; mince into marinades.
- Steaming
Not recommended: too wet and mild for steam-set dishes.
- Raw Cold
1/4 small onion per clove in salsas and salads.
Methods to avoid (2)
- Baking
Not recommended: onion won't replace garlic's savory depth in bakes.
- Drinks
Not recommended.
FAQ
- How much red onion equals one garlic clove?
1/2 small. For a typical recipe:
- 1 garlic clove → 0.5 small
- 2 garlic cloves → 1 small
- 3 garlic cloves → 1.5 small
- Can I substitute red onion for Garlic in pan-frying?
Yes. 1/2 small onion per clove; start onion first, cook 8-10 min. Not recommended: onion won't replace garlic's savory depth in bakes.
- How much red onion to use as a garlic substitute?
Sweeter and milder; add a pinch of salt to sharpen flavor.
- How does the flavor change when substituting Red Onion for Garlic?
Red onion comes across milder than garlic.
- How does texture change when substituting Red Onion for Garlic?
Red onion softer, sweeter allium base that needs longer cooking to soften.
- What else should I know about substituting Red Onion for Garlic?
For sauteing, frying, braises, and grilling. Expect sweeter, less pungent base with more caramel notes when cooked. Skip baking, steaming, and drinks. Raw red onion is milder than garlic, so use 1/4 small onion per clove in salsas and salads. Won't build the same savory depth as garlic in quick-cook dishes.
- What still works when substituting Red Onion for Garlic?
Red onion still works as a flavor carrier, acid, and tenderizer.
- What won't work when substituting Red Onion for Garlic?
Red onion won't work as a preservative.
- How well does Red Onion match Garlic?
Red onion is good on structure, good on heat, and okay on flavor.
- How does nutrition compare per 100g when substituting Red Onion for Garlic?
Red onion has about x5 fewer calories, x6 fewer fat, and x8 fewer protein.
- How do the flavor notes shift when substituting Red Onion for Garlic?
The flavor shifts toward more sweet, less pungent, and less umami notes.