Chocolate Storage Mistakes That Cause White Bloom Overnight
Chocolate Storage Mistakes That Cause White Bloom Overnight
IN · Published Feb 9, 2026
• Chocolate bloom, a white film on chocolate, is caused by fat or sugar recrystallization due to improper storage.
• Temperature fluctuations, high humidity, direct sunlight, and improper packaging are common causes of chocolate bloom.
• Store chocolate in a cool, dry, dark place with consistent temperature and in airtight containers to prevent bloom.
White film on chocolate: chocolate bloom explained
Discovering a white film on your chocolate is common. This is known as chocolate bloom. It makes chocolate look old or spoiled, even when safe to eat. This article explains what causes it and how to prevent it.
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