how many grams in a teaspoon of onions?

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things people ask

• How many grams in a teaspoon of minced onion?
  About 3 g for a level teaspoon of finely minced raw onion. To get there cleanly you need a tight mince — anything coarser than 1/8-inch won't pack into the spoon properly and you'll be guessing. For a single-portion vinaigrette (about 3 tablespoons of dressing), 1 teaspoon of minced onion is the standard amount before it starts dominating the oil and acid.
• Is a teaspoon of onion powder the same as a teaspoon of fresh minced?
  No, the flavor concentration is very different. One teaspoon of onion powder is roughly equivalent to 1 tablespoon of fresh minced — about 3x stronger by volume. If a marinade calls for 1 teaspoon onion powder and you only have fresh, use 1 tablespoon and accept the extra moisture. Powder weighs around 2.5 g per teaspoon, close to fresh by mass but not by impact.
• When do recipes call for onion by the teaspoon?
  Compound butters, deviled eggs, tartare and remoulade sauces, single-serving guacamole, and pan sauces finished off-heat. Anywhere a noticeable bite of raw onion would dominate, the teaspoon scale lets you season without committing the dish to onion as a primary flavor. It's also common in baby food and infant-feeding contexts where milder seasoning matters.

related conversions

• Onions: cups to grams
• Onions: tablespoons to grams
• Onions guide