Boozy Strawberry Lemonade Slushies

INGREDIENTS

1/2 cup

granulated sugar

1 cup

water + 2 cups water

3 cups

fresh strawberries, hulls removed

3/4 cup

fresh-squeezed lemon juice (from 6-8 large lemons)

3/4 cup

vodka

1/3 cup

Cointreau liqueur

Additional strawberries and lemon slices for garnish, if desired