Hands down, my fave money and time saving hack! Grab a 10 lb bag of onions from Costco & try this technique (Page 2 ) | November 1, 2025

Why Freezing Onions Works
Freezing onions preserves their freshness and flavor for future use, especially when you have an excess amount that would otherwise go to waste. The freezing process halts bacterial growth, ensuring that the onions remain safe to eat for an extended period. Moreover, pre-chopped and frozen onions save preparation time, allowing you to focus on cooking your dishes.
The Foolproof Method of Freezing Onions
1. Start by peeling and chopping the onions:

Peel away the outer skins of the onions and chop them into the desired size, whether it be diced, sliced, or finely chopped. Make sure to use a sharp knife to achieve uniform pieces.
2. Spread the chopped onions on a baking sheet:
Place a parchment paper on a baking sheet and spread the chopped onions evenly in a single layer. This prevents them from clumping together when frozen.
3. Flash freeze the onions:
Place the baking sheet with the chopped onions in the freezer for an hour or until the onions are frozen solid. This step ensures that the individual pieces don’t stick together.
4. Transfer the frozen onions to Ziploc bags: