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Peeled almonds have a naturally light color, ranging from creamy white to ivory. Over time, however, they may take on a yellowish hue, lose their freshness, or develop a less pleasant flavor. These changes are primarily due to exposure to air, light, heat, and humidity.

Soaking almonds in cold water for 24 hours can make them plumper and softer, but it's not a suitable method for preserving them. Once rehydrated, they become more perishable and must be used quickly. Soaking is only useful when needed for a recipe, to prepare a cream, or to facilitate processing, not to keep almonds white during long-term storage.

Why do almonds change color?

Almonds contain a significant amount of natural fats. When these fats remain in contact with oxygen for a long time, they can gradually oxidize. This process initially changes the aroma and flavor, and can also dull the color.

Light and high temperatures also accelerate spoilage. For this reason, a clear package left near the stove or on a sunny shelf doesn't offer the right conditions.

A slightly ivory hue doesn't necessarily mean the almonds are spoiled. The natural color can vary depending on the variety, processing, and degree of drying. A rancid odor, similar to old oil or paint, is a much more serious sign.

Does soaking really keep the white color?

When peeled almonds are soaked in water, their surface absorbs moisture and may temporarily appear smoother and lighter. However, this effect is related to hydration, not true long-lasting protection from oxidation.

After 24 hours, the consistency becomes softer and the weight increases due to the absorbed water. Almonds can no longer be considered a dry, stable product: they must be drained, refrigerated, and consumed promptly.

Soaking them at room temperature for an entire day is not recommended, especially during the warmer months. The water and plant matter can promote fermentation and spoilage. For prolonged soaking, it's safer to use a clean container and store it in the refrigerator.

How to soak almonds

When soaking is called for in the recipe, the almonds should be placed in a clean bowl and covered with plenty of drinking water. The container should be covered or covered and placed in the refrigerator.

A few hours may be enough to soften them. A longer rest makes them suitable for blending into creams, plant-based drinks, fillings, and soft doughs.

Once finished, drain and rinse them quickly. If not used immediately, pat dry and store in a clean container in the refrigerator. Do not return the almonds to the container with the dry almonds, as this would transfer moisture to the rest of the product.

How to get white almonds starting from those with the skin

If the almonds still have their brown skin, the simplest method to whiten them is to briefly blanch them.

Bring a small pot of water to a boil, add the almonds, and let them soak for about a minute or two. Drain them and rinse them briefly under cold water until they're safe to handle.

By gently pressing each almond between your fingers, the skin should slide off easily. It's best to work while they're still warm, because as they cool, the skin can stick back together.

After peeling, the almonds must be dried thoroughly. They can be spread out on a clean cloth and left to dry, or they can be briefly baked at a low temperature, avoiding toasting them if you want to preserve their light color.

How to store them without them turning yellow

Peeled and completely dry almonds should be stored in an airtight container, preferably opaque, or in a closed cabinet. The container must be clean, odor-free, and perfectly dry.

For quantities intended for quick consumption, a cool pantry may suffice. During the summer, or when you want to preserve them longer, the refrigerator offers better protection from heat and slows oxidation.

The freezer is useful for large supplies. Almonds can be divided into small portions, carefully sealed, and removed as needed. Before opening a very cold package, it's best to let it gradually warm up to room temperature to limit the formation of condensation.

Dry the peeled almonds well

After blanching or soaking, drying is essential. Storing wet almonds in a closed container can promote mold, bad odors, and loss of texture.

If they're to be used for creams or drinks, they can remain soft and moist because they'll be processed immediately. For nougat, biscuits, decorations, or preservation, however, they must be completely dry.

The oven can be set to a low temperature. Spread the almonds in a single layer and check frequently, as too much heat will cause them to toast and turn golden brown.

How to understand if they are no longer good

Before using, it's a good idea to check the aroma, consistency, and surface texture. Fresh, well-preserved almonds have a delicate aroma and firm texture.

They should not be consumed if they show mold, unusual stains, obvious moisture, or a rancid odor. A persistent, unpleasant, bitter taste may also indicate a spoiled product.

Normal cream coloration should not be confused with a change. A change accompanied by a bad odor or abnormal consistency requires special attention.

In conclusion

To keep blanched almonds light and fresh, it's not necessary to soak them in water for 24 hours. Soaking softens them, but it also makes them more perishable and should only be done in the refrigerator when necessary.

Dried almonds retain their color and quality best when protected from air, light, heat, and humidity. An airtight container, a cool pantry, or the refrigerator are the best options. When blanched or rehydrated, however, they must be dried thoroughly or used quickly.