In a small saucepan, place the sliced strawberries, white sugar, lemon zest and the lemon juice. Bring to a boil over medium heat, stirring frequently.
Reduce heat and let simmer for 20 minutes, stirring occasionally.
Transfer the strawberry mixture to a container and refrigerate before using.
Nutritional information provided for this recipe is based on 1 serving. This information is an estimate and may vary based on several factors. If nutritional information is important to you and your diet, please verify this recipe with a Registered Dietitian.