Archive · 4 Oct 2026
Is It Safe to Reheat Rice More Than Once?
Rice can be safe to eat again if it is handled carefully.
A germ called Bacillus cereus can be found in rice.
Some of its tiny spores can survive cooking.
If cooked rice sits out for too long, the germ can grow and make toxins.
Heating the rice again may not remove some of those toxins.
Cool and refrigerate leftover rice promptly.
When you want more, warm only the portion you will eat and heat it thoroughly.
Reheating the same rice again and again can also make it taste and feel worse.
Repeatedly reheating rice is generally discouraged, particularly if it was not stored properly.
Bacillus cereus spores can survive cooking and multiply if cooked rice stays too long between 4°C and 60°C.
Some toxins produced by the bacteria are heat-stable, so reheating may not make improperly stored rice safe.
Cool cooked rice promptly, refrigerate it, and reheat only the portion you plan to eat.
Thorough reheating and careful storage help reduce food-poisoning risk; repeated heating can also affect rice quality.
- Who
- Dietitian Deepa Mishra of Narayana RN Tagore Hospital advises on rice safety.
- What
- The article explains why repeated reheating of cooked rice is discouraged and how to handle leftovers safely.
- When
- When storing and reheating cooked rice.
- Where
- Narayana RN Tagore Hospital, Mukundapur, Kolkata, is where the quoted dietitian works.
- Why
- Improper storage can allow Bacillus cereus to multiply and produce toxins that reheating may not destroy.
- Bacterium of concern
- Bacillus cereus
- Temperature danger zone
- 4°C to 60°C
- Main storage advice
- Cool cooked rice and refrigerate it promptly.
- Reheating advice
- Reheat only the portion you plan to eat, and heat it thoroughly.
- Why reheating may not be enough
- Some toxins produced by Bacillus cereus are heat-stable.
- Additional effects
- Repeated heating can affect texture, moisture, and some nutrients.