Food Lens Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Food Lens · Protein
Eggs
Mild, rich, sulfurous if overcooked, creamy when softly set.
Lens analyzedEggs bind, enrich, leaven, emulsify, and set. They can be the main protein or a quiet structural ingredient in noodles, batters, custards, and sauces.
Where it comes from
Chicken eggs are an everyday staple across global home cooking because they are quick, versatile, and nutrient-dense.
Varieties — Chicken eggs are standard; duck and quail eggs are richer or smaller. Cartons may vary by size, grade, farming claim, and pasteurization.
Eggs appear in breakfast plates, fried rice, ramen, shakshuka, tortillas, custards, noodles, and baked goods.
In a modern kitchen — Large chicken eggs are the default assumption in North American recipes.
Buying it
Check dates and avoid cracked shells. Large eggs are the default for most North American recipes.
Storing it
Keep refrigerated in the carton. Hard-boiled eggs should be refrigerated and used within about a week.
Keeps about 21 days in the fridge.
Out of eggs? Good swaps
- Flax egg — For some baking: 1 tbsp ground flax plus 3 tbsp water; not for omelets.
- Aquafaba — Can replace egg whites in some foams and vegan baking.
- Silken tofu — Useful in scrambles or custards; contains soy.
General cooking guidance — always check the labels on the products you use. Listahan’s allergen checks run automatically when you plan a recipe in the app. Not medical advice.
Recipes that use eggs
Common questions about eggs
What can I use instead of eggs?
Good swaps include Flax egg, Aquafaba, Silken tofu. Each behaves a little differently — see the swaps above for notes, and always check labels for allergens.
How do I store eggs?
Keep refrigerated in the carton. Hard-boiled eggs should be refrigerated and used within about a week. It keeps about 21 days in the fridge.
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Make eggs about your kitchen — with Listahan Pro
Everything above is free, forever. Pro adds the Household Lens — the same food, seen for your family:
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Checked for each member
Flags eggs per person against your household's allergies and school rules — not just a generic "contains" tag.
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Pantry-aware
Knows whether you already have it, what is running low, and the best swap from what is in your kitchen tonight.
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What it costs near you
A real price from the Presyo community index, so you can plan the budget — not guess.
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Your household memory
Who likes it, plus your own private notes — brand, where you keep it, who skips it.
Allergen safety is always free — Pro adds the automation, never the safety.
Cook with eggs — safely
Plan a recipe in Listahan and the household allergen check runs automatically — every plan, every swap, every lunchbox. Safety is never paywalled.