In a small saucepan, bring sugar, ¼ cup water, and thyme to a boil over medium-high heat, stirring occasionally, until sugar is dissolved, about 5 minutes. Remove from heat, and let cool completely. Remove and discard thyme sprigs.
Recipe by Bake from Scratch at https://bakefromscratch.com/blueberry-cornmeal-muffins-with-thyme-glaze/