Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
let it boil
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "let it boil" is correct and usable in written English.
It can be used when giving instructions for cooking or when referring to allowing something to reach a boiling point. Example: "After adding the pasta, let it boil for about 10 minutes until it's al dente."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
Let it boil for six minutes.
News & Media
No need to let it boil.
News & Media
I thought Jair [Marrufo] let it boil up a bit.
News & Media
Don't let it boil or it will split.
News & Media
Let it boil for 5 minutes and take off the heat.
News & Media
Turn the heat up, let it boil for 10 seconds and turn the heat off.
News & Media
Take care not to let it boil, or it will froth over the sides of the jug.
News & Media
Now, they pump in new water, let it boil and then vent it to the atmosphere, releasing some radioactive material.
News & Media
(Don't let it boil!) Remove from the heat and give it a final mix with a whisk.
News & Media
Let it boil for 5 minutes, take off the heat, add the lemon zest and steep for 15 minutes.
News & Media
(Do not let it boil). Whisk in the remaining tablespoon of brandy and the cold unsalted butter.
News & Media
Expert writing Tips
Best practice
When using "let it boil" in cooking instructions, specify the duration or visual cues (e.g., "until reduced by half") to avoid ambiguity.
Common error
Avoid excessive boiling, as it can alter the flavor or texture of the dish. Use visual cues or timers instead of relying solely on time.
Source & Trust
79%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "let it boil" functions as an imperative, giving a direct instruction or command. It’s commonly used in recipes or instructional contexts to tell someone to allow a liquid to reach boiling point. Ludwig confirms its correct usage.
Frequent in
Wiki
43%
News & Media
41%
Science
16%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "let it boil" is a grammatically sound imperative phrase frequently used in cooking instructions and other contexts where allowing a liquid to reach boiling point is necessary. Ludwig AI confirms that the phrase is correct. While common across various sources, it's most prevalent in Wiki and News & Media, indicating a generally informal register. To ensure clarity, specify durations or visual cues when using the phrase. For more formal contexts, consider alternatives such as "allow it to boil". This helps to maintain the desired tone and level of formality in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
allow it to boil
Formal variation replacing "let" with "allow", maintaining the same meaning.
leave it to boil
Emphasizes leaving something unattended while it boils.
bring it to a boil
Focuses on the action of causing something to boil rather than allowing it.
cook at a boil
Specifies cooking something at boiling temperature.
heat it until boiling
Emphasizes the process of heating until boiling is achieved.
bring to a rolling boil
Specifies a vigorous boiling action.
allow it to simmer
Suggests a lower temperature, just below boiling point.
simmer gently
Suggests a lower temperature, just below boiling point.
bring it up to heat
General direction to raise temperature, boiling implied but not explicit.
heat until it bubbles
Indicates a lower level of heat than boiling, where bubbles form but the liquid does not vigorously agitate.
FAQs
How do I use "let it boil" in a sentence?
Use "let it boil" when giving instructions, typically in cooking, to indicate allowing a liquid to reach its boiling point. For example: "After adding the pasta, "let it boil" for 8 minutes."
What's a less direct way to say "let it boil"?
You could use phrases such as "allow it to boil" or "bring to a boil" if you want to sound more formal.
Is it okay to use "let it boil" in formal writing?
While grammatically correct, "let it boil" is more common in informal contexts like recipes. In formal writing, consider "allow the solution to boil".
What's the difference between "let it boil" and "simmer it"?
"Simmer it" implies a gentle heat just below boiling, while ""let it boil"" means allowing the liquid to reach its full boiling point with rapid bubbling.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
79%
Authority and reliability
4.5/5
Expert rating
Real-world application tested