Combine the water and sugar in ... until the pops are beginning to set (45 minutes to 1 hour), then insert the sticks and freeze until solid, 3 to 4 hours. If using an instant ice pop maker ...

Stir the sugar into the hot espresso, stirring until it dissolves. Leave to cool. Combine the cold espresso with the other ingredients, whisking until combined. Pour into six ice lolly moulds ...