Pineapple Daiquiri

¼ cup pineapple juice
¼ cup white rum
2 tablespoons fresh lime juice
2 teaspoons sugar
1/2 to 3/4 cup ice cubes
Lime or pineapple wedge, for garnish

Combine the pineapple juice, rum, lime juice, sugar, and ice in a cocktail shaker and shake to chill. Strain into a stemmed cocktail glass and serve immediately, garnished with a lime slice or a pineapple wedge, if desired. (Alternatively, daiquiri may be blended in a blender with the ice for a frozen cocktail.)