In a 1 1/2-quart pretty glass trifle dish or bowl spread one-third of pastry cream, top with one-third of biscotti crumbs and drizzle with coffee liqueur.
Top with 1 cup of strawberries.
Repeat two more times.
End by spreading whipped cream on top.
Garnish with mint and chocolate.
Refrigerate, covered, for 45 minutes before serving.