The difference between white and green-shelled duck eggs: Choose the right one for better quality

Shell Color: What It Really Means

The color of a duck egg’s shell is determined largely by the breed of the duck, not its nutritional content.

• White-shelled duck eggs: Typically come from breeds like the White Pekin. These eggs are common and widely available. The shells are smooth and bright, and they tend to have a mild flavor.
• Green-shelled duck eggs: Often laid by breeds such as the Khaki Campbell or Khaki Green duck. The greenish tint comes from pigments deposited during egg formation. Green-shelled eggs are sometimes considered more “natural” or gourmet, with a richer flavor profile.

It’s important to note that shell color doesn’t determine how healthy or nutritious the egg is. Both white and green eggs are packed with protein, vitamins, and minerals.

Flavor and Texture Differences

While the nutritional content is similar, many chefs and home cooks notice subtle differences in taste and texture:

• White-shelled eggs: Tend to have a slightly lighter flavor. The yolk may be a bit paler, making them ideal for baking and delicate dishes.
• Green-shelled eggs: Often have a creamier texture and a more pronounced, buttery flavor. The yolk may be darker, giving a richer color to dishes like custards, pastries, and savory recipes.

Choosing between the two often depends on your cooking goals: white-shelled eggs for neutral recipes, green-shelled for flavor intensity and presentation.

Freshness and Quality

Regardless of shell color, freshness is the most important factor in egg quality. Tips to ensure you get the best eggs:

1. Check the sell-by date or packing date
2. Inspect the shell: Avoid eggs with cracks, powdery residue, or discoloration
3. Do the float test: Place the egg in water—fresh eggs sink, older eggs float
4. Smell test: A fresh egg should have no odor

Green-shelled eggs are sometimes marketed as “farm-fresh,” but always verify freshness before purchase.