Definition of «broth simmers»

The phrase "broth simmers" means that the broth is being heated at a low temperature, just below boiling.

Reduce heat to low and let broth simmer for 30 minutes, covered. (healthynibblesandbits.com)
Let broth simmer, partially covered, for 20 minutes. (healthynibblesandbits.com)
If you love the benefits of bone broth simmered on the stove all day but want a quick and easy way to make it, Kettle and Fire is for you! (wellnessmama.com)
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