01 - Combine pineapple, granulated sugar, and lemon juice in a saucepan. Cook over medium heat for 5 minutes until the pineapple softens and sugar dissolves, stirring occasionally. Allow mixture to cool to room temperature.
02 - Blend the cooled pineapple mixture in a blender or food processor until completely smooth.
03 - In a large bowl, whisk together heavy cream, whole milk, pure vanilla extract, and salt until well combined. Stir in the pineapple puree to incorporate evenly.
04 - Cover the blended mixture and chill in the refrigerator for at least 2 hours to enhance flavor and texture.
05 - Pour the chilled mixture into an ice cream maker and churn following manufacturer’s instructions, typically 20 to 30 minutes, until thick and creamy.
06 - Transfer the churned ice cream to a freezer-safe container, cover tightly, and freeze for a minimum of 4 hours or until firm.
07 - Remove from freezer and let stand at room temperature for 5 minutes before scooping and serving.