How to Fix Chocolate Bloom: Rescuing Your Pump Street Chocolate

Quick Answer

Chocolate bloom appears as white or gray spots or a dull film on the surface. It's caused by temperature fluctuations (fat bloom) or moisture (sugar bloom). You can often fix it by gently melting and tempering the chocolate, but for eating bars, it's usually safe to enjoy as is—just expect a slightly different texture.

You open your pantry to grab a bar of your favorite Pump Street chocolate, only to find it covered in white spots or a dusty film. Before you toss it, know this: chocolate bloom is not mold, and it's not a sign that your chocolate has gone bad. In most cases, it's simply a cosmetic issue that you can fix or safely ignore.

In this guide, we'll walk you through the causes of chocolate bloom, how to fix it, and when it's best to stop and choose another bar. We'll also share tips on preventing bloom so your artisan chocolate stays beautiful and delicious.

What Causes Chocolate Bloom?

Chocolate bloom occurs when the cocoa butter or sugar in the chocolate separates and rises to the surface. There are two main types: fat bloom and sugar bloom. Fat bloom happens when the chocolate is exposed to warm temperatures, causing the cocoa butter to melt and then recrystallize on the surface. This results in a grayish, waxy film or white spots.

Sugar bloom, on the other hand, is caused by moisture. When condensation comes into contact with the chocolate, it dissolves some of the sugar, which then recrystallizes on the surface as fine white crystals. This can give the chocolate a gritty texture. Both types are safe to eat, but they affect the appearance and mouthfeel.

• Fat bloom: caused by temperature fluctuations, often appears as a gray film or white spots.
• Sugar bloom: caused by moisture, often appears as a dusty, crystalline layer.

How to Fix Chocolate Bloom

The good news is that you can often fix bloomed chocolate by melting it and tempering it again. Tempering is the process of heating and cooling chocolate to specific temperatures to stabilize the cocoa butter crystals. For baking or cooking, you can simply melt the chocolate and use it as is—the bloom won't affect the flavor.

If you're working with a bar like the Jamaica - Bachelor's Hall Estate 75%, which is meant for eating, you might prefer to enjoy it as is. The flavor is still intact, and the texture change is subtle. However, if you're making a dessert that requires smooth melted chocolate, melting and re-tempering is the way to go.

• For baking: melt the chocolate gently and use it in your recipe.
• For eating: try it first—you may not notice a difference.
• For a perfect finish: re-temper the chocolate using a seeding method.

When to Stop and Choose Another Option

While bloom is safe, there are times when you should consider using a different bar. If the chocolate has an off smell, visible mold (fuzzy spots that aren't just white), or has been exposed to extreme conditions, it's best to discard it. Also, if the bloom is severe and the texture is unappealing, you might prefer to use the chocolate for baking rather than eating.

For example, if you have a bar like the Cookie Chip 60% that has bloomed, you could chop it up and use it in cookies or brownies. The chocolate will melt and recombine, so the bloom won't be noticeable. On the other hand, if you're looking for a perfect eating experience, consider purchasing a fresh bar from Pump Street to ensure the best texture and appearance.

• Check for mold: if you see fuzzy spots, discard the chocolate.
• Smell test: if it smells off, it's better to be safe.
• Texture preference: if the bloom ruins the experience, use it for baking.

Diagnosis: Is Your Chocolate Bloomed?

• Symptom: White or gray spots, a dusty film, or a dull appearance on the chocolate surface. Not mold—bloom is safe to eat.
• Likely Cause: Temperature fluctuations (fat bloom) or moisture exposure (sugar bloom). Check your storage conditions.
• Corrective Action: For eating: try it as is. For baking: melt it. For perfect texture: re-temper. Choose the method based on your use.
• Stop or Choose Another Option: If there's mold, off odor, or extreme texture changes, discard or use for baking. Otherwise, enjoy or buy a fresh bar. Trust your senses.

Pump Street Chocolate: What You Need to Know

• Jamaica - Bachelor's Hall Estate 75%: Initially rich, a satisfying melt releases hints of sweet, juicy berries. Serendipitously for a Jamaican bar, it rounds into a distinctive honeyed rum finish. Bean to bar chocolate handmade in Suffolk, UK. Award-winning - Academy of Chocolate Awards - Silver - Plain Dark Chocolate Category 70g. This bar's complex flavor profile is best enjoyed when the chocolate is properly tempered. If bloom occurs, you can still savor the berry and rum notes, but re-tempering will restore the smooth melt.
• Cookie Chip 60%: Our reinvented classic; the chocolate chip cookie. Pump Street cookie dough is baked to caramelised perfection, then nestled within our chocolate for an immersive cookie encounter. It's a modern take on a timeless delight, crafted to satisfy your cravings with every bite. Handmade from bean to bar in Suffolk, UK. Award-winning - Academy of Chocolate Awards - Silver - Flavoured milk bar category 70g. This bar's cookie pieces add texture that can be affected by bloom. If bloomed, the cookie bits may become soft, but using it in baked goods will revive its purpose.

Chocolate bloom is a common, harmless occurrence that doesn't ruin your Pump Street chocolate. By understanding the causes and knowing how to fix it, you can rescue your bars and enjoy them to the fullest. If you prefer a flawless eating experience, consider exploring our range of fresh, beautifully tempered bars like the Grenada & Nibs 66%—a perfect choice for savoring the art of bean-to-bar chocolate.