- 1 cup frozen blueberries
- 1/4 cup sugar
- 1 tbsp lemon juice
1. Cook everything in medium heat about 20 mins., or until thick slightly, or until it reach 219F degree.
2. Keep it in refrigerator for several weeks.
ref: https://www.ricardocuisine.com/en/recipes/3649-low-sugar-blueberry-jam
