To bring something to a simmer means to heat it up until it reaches boiling point, but not quite as high. It is usually used in reference to cooking or heating liquid over low heat so that small bubbles form on the surface.
Sentences with «to bring to a simmer»
Melt butter in a large skillet and add the sauce mixture then bring to a simmer over medium - high heat. (thepaleopanda.com)
Add 1 cup dry to 2 cups boiling water and then bring to a simmer for about 10 - 15 minutes until fluffy. (pumpsandiron.com)
Stir just to dissolve the sugar, then bring to a simmer over medium - high heat. (doitallworkingmom.com)