Sam's Fresh Mango and Lime Ice

Directions

1. 1
   Add all ingredients to blender, and blend until smooth.
2. 2
   Pour into 9x13 baking pan.
3. 3
   Freeze until solid - 3 to 4 hours.
4. 4
   Scrape across the top with a big spoon to make a 'shave-ice' like snow, and put into serving glasses - martini glasses work well.
5. 5
   Option 1: Garnish with lime zest and a mango wedge.
6. 6
   Option 2: cut the water in half, add more rum and make it it a cocktail.