Rumy Punch (Alcoholic)

Drinks on Me:

Rumy Punch

1 12 oz. can frozen cranberry juice cocktail concentrate, undiluted
1-1/2 cups rum
Juice of 1 lemon
8 cups of ice (crushed)

Combine half of the first three ingredients in container of an electric blender; process until smooth. Gradually, add half ice and process until mixture reaches desired consistency. Repeat with remaining inconsistency. Repeat with ingredients. Serve up in your favorite glasses!