Pineapple Smoothie

20 ounces unsweetened pineapple chunks
1 cup buttermilk
2 teaspoons vanilla extract
Equal to taste

Drain pineapple, reserving 1/2 cup juice. Freeze pineapple chunks. Place juice, buttermilk, vanilla, sweetener and frozen pineapple into a blender container. Blend until smooth. Pour into glasses and garnish with mint if desired.