MOCK PINA COLADAS

1 (8 oz.) can crushed pineapple, undrained
2 1/2 cups vanilla ice cream or frozen yogurt, softened
1 teaspoon rum extract
1 teaspoon coconut extract
1 tablespoon powdered sugar
ice cubes

Combine all ingredients except ice cubes in container of an electric blender. Add enough ice cubes to bring mixture to 4 cup level; process until smooth, stopping to scrape down sides. Serve immediately.

Makes 4 cups
Source: America's Best Recipes