Dissolve espresso powder in milk. In a small saucepan, whisk together yolks and sugar. Whisking, slowly pour milk mixture into yolk mixture. Place mixture over medium-low heat. Bring to a very gentle simmer, whisking occasionally; let simmer until thickened, about 30 seconds (do not boil), then remove from heat. Whisk in cream.

Divide dates among 6 shallow serving bowls; place scoops of gelato into bowls. Drizzle with coffee cream and serve immediately.