| Raw Onion Amount | Approximate Caramelized Yield |
|---|---|
| 1 medium onion | About 1/4 cup |
| 2 medium onions | About 1/2 cup |
| 3 to 4 medium onions | About 1 cup |
| 5 to 6 medium onions | About 1 1/2 cups |
If you’re using large onions, you may only need 2 or 3. Smaller onions may require 5 or more.
The Best Onions For Caramelizing
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Almost any onion can be caramelized, but some varieties work better than others.
Yellow Onions
Yellow onions are the most popular choice because they balance sweetness and savory flavor perfectly. They become deeply rich and jammy when cooked slowly.
Sweet Onions
Sweet onions like Vidalia onions caramelize beautifully because they naturally contain more sugar. They create a sweeter final flavor and brown slightly faster.
