1. Remove rind from watermelon, cut into 2 inch chunks and remove seeds. 2. Arrange in a single layer on a parchment lined baking sheet, or in a resealable plastic bag; place in freezer until frozen, about 1 1/2 hours (Transfer to airtight freezer bags if not using immediately). 3. Place frozen chunks in a food processor, process until smooth. 4. Add sugar, lime juice and Campari, if using. 5. Process until fully incorporated, about 5 minutes, scraping down sides as necessary. 6. Freeze in an airtight container, at least 2 hours, until firm. 7. Stir if juice starts to separate from ice. ---------------------------------------------------------------------------
Nutrition
Ingredients
