Cocktail Apple Castretto

Ingredients: 

2cl vodka

2cl lemon juice

1cl sugar syrup

¼ green apple

Muddle in a mixing glass ¼ green apple. Then add Amaretto Castro liqueur, vodka, lemon juice, sugar syrup (1 water:1 sugar). Shake and strain well before pouring the mix into a chilled glass. Garnish with apple slices.