⚕️ General information only — not medical advice. If pregnant or unwell, always follow the guidance of your midwife, GP or NHS 111. Full disclaimer

Eggs

Written by Jordan Morley · Reviewed against NHS, FSA and USDA FoodKeeper guidance · Last updated 28 October 2026

Runny yolks, Lion marks, storage and the boiled-egg microwave warning. Below: 32 answers, grouped by the question they answer.

Food-by-food guides

Each guide gathers every answer for one food in one place.

📋Eggs: every answer📋Mayonnaise: every answer📋Quiche: every answer

Pregnancy (16)

🔴Taleggio when pregnant?🟢Eggs when pregnant?🟢Runny Eggs when pregnant?🟢Poached Eggs when pregnant?🟢Soft-Boiled Eggs when pregnant?🟢Dippy Eggs when pregnant?🟢Fried Eggs when pregnant?🟢Scrambled Eggs when pregnant?🟢Boiled Eggs when pregnant?🟢Hard-Boiled Eggs when pregnant?🟢Duck Eggs when pregnant?🟢Quail Eggs when pregnant?🟢Mayonnaise when pregnant?🟢Hollandaise Sauce when pregnant?🟡Tiramisu when pregnant?🟢Quiche when pregnant?

Breastfeeding (1)

🟢Eggs when breastfeeding?

Fridge and cupboard storage (3)

🧊How long do eggs last?🧊How long does mayonnaise (opened) last?🧊How long does quiche last?

Freezing (3)

🟡Can you freeze eggs?🟡Can you freeze mayonnaise?🟢Can you freeze quiche?

Reheating (5)

🟡Can you reheat eggs?🟡Can you reheat scrambled eggs?🟡Can you reheat boiled eggs?🟡Can you reheat omelette?🟡Can you reheat quiche?

Left out overnight (2)

🔴Mayonnaise left out overnight?🔴Quiche left out overnight?

Use-by and best-before dates (2)

🟡Eggs after its use-by date?🔴Quiche after its use-by date?

As an Amazon Associate, CJ Affiliate and AWIN publisher we earn from qualifying purchases. Links below are affiliate links.

Food safety essentials

AMAZON

Fridge thermometer

The cheapest food-safety upgrade there is — know your fridge runs at 0–5°C.

Check Price →
AMAZON

Digital food thermometer

One probe answers 'is it cooked?' and 'is it reheated?' for good.

Check Price →
AMAZON

Airtight storage containers

Sealed food lasts longer in the fridge, the freezer and the cupboard.

Check Price →

Links open your local Amazon store. We may earn a small commission at no extra cost to you.

General information only, not medical advice: see the medical disclaimer. Feeling unwell after eating something? Contact NHS 111 or your GP.