Can You Freeze Zucchini?
Fresh zucchini, also called courgette, prepared for freezing by shredding or slicing.
The Short Answer
Yes, you can freeze zucchini. Yes. Shred for baking or slice for cooking. Both methods freeze well with minimal prep.
Freezer Storage Time
Source: USDA FoodKeeper | Last verified: March 26, 2026 | Our methodology
How to Freeze Zucchini
- For shredded (baking): grate zucchini, squeeze out excess moisture using a clean towel or cheesecloth, measure into recipe-sized portions (typically 1 or 2 cups), and freeze in bags.
- For sliced (cooking): slice into 1/4-inch rounds, blanch for 1 minute, ice bath for 1 minute, dry, flash freeze on a sheet pan, then bag.
- For diced: dice, blanch for 1 minute, ice bath, dry, and bag.
Texture and Quality Changes
Zucchini has high water content, so it becomes soft after thawing. Shredded zucchini works perfectly in baking since it is mixed into batter. Sliced zucchini works in stir-fries, soups, and casseroles but will not be crisp. Not suitable for raw applications after freezing.
How to Thaw Zucchini Safely
For baking, thaw shredded zucchini in the refrigerator, then squeeze out excess water before adding to batter. For cooking, add frozen slices directly to hot pans, soups, or casseroles.
Refreezing is not recommended. Quality and texture degrade significantly with repeated freezing and thawing.
Best Uses After Freezing
After freezing and thawing, zucchini works best in: zucchini bread, muffins, stir-fry, soup, casseroles, pasta sauce.
Squeeze the water out of shredded zucchini before freezing, not just after thawing. You will get better texture in your baked goods and the bags will take up less freezer space. One medium zucchini yields about 1.5 cups shredded.
Frequently Asked Questions
For sliced or diced zucchini that will be cooked, blanching helps preserve texture and color. For shredded zucchini intended for baking, blanching is not necessary; just squeeze out excess moisture and freeze.
The Bottom Line
Zucchini can be frozen for 3–6 months when packaged properly. The key is removing as much air as possible and using freezer-safe containers or bags. While texture may change slightly after thawing, frozen zucchini works well in cooked dishes and recipes.