- 1 cup blueberries
- 1 cup warm water
- 1 cup white sugar
- 1 teaspoon lemon juice
- Mix blueberries, water, and sugar together using a whisk in a small saucepan over low heat until sugar is dissolved, about 5 minutes. Increase heat to medium and bring a gentle boil, stirring often, until syrup is thickened, about 15 minutes.
- Whisk lemon juice into syrup; serve immediately or cool.