The strawberries will begin to thaw and reduce into a thick sauce.
Puree with an emulsion blender or add to a blender and blend until smooth.
Return the puree to the saucepan, bring it to a simmer and let cook, stirring every so often until very thick and a little darker. Strain the mixture.
Serve and enjoy!
Video
Notes
If you would like some chunks of strawberry in your sauce, then take out a few pieces of the thawed strawberry before you puree it. Chop these pieces into chunks and add it back to the sauce after straining.
Pour the sauce into muffin tins and freeze. Once frozen, transfer the frozen Strawberry Sauce into an airtight container or ziplock bag. This way, you can grab just as much as you need each time.
I use a heavy-based saucepan as they distribute the heat better. Make sure to stir every so often to stop the sugar from catching on the bottom of the pan.