In 1-quart saucepan, heat mango juice, gingerroot, sugar and lemon peel to boiling, stirring constantly, 3 to 4 minutes or until sugar is dissolved.
Remove from heat; cool to room temperature, about 30 minutes.
Pour mango mixture into 8-inch square pan.
Freeze uncovered about 30 minutes or until icy around edges.
Use a fork to scrape frozen edges toward center; freeze 25 to 30 minutes longer.
Repeat the scraping process until all of mixture is frozen, about 2 hours 30 minutes total.
Spoon 2 to 3 tablespoons of the mango “snow” into each chilled glass.
Fill with champagne.
Garnish with raspberries.
Notes / Tips / Wine Advice:
Make-Ahead Magic
The scraped mango mixture can be kept covered in the freezer up to 1 week before using.
Festive Touch
Offer guests this unique beverage with a swizzle stick in each glass. That way, they can stir the sweet mango mixture into the champagne just before drinking.
Kitchen Secrets
Any leftover frozen mango mixture can be used in smoothies, added to punch or enjoyed on its own for a refreshing treat.