With an electric mixer, cream together butter and powdered sugar; add eggs. Beat ingredients until fluffy. Spread over crust. Chill.
Meanwhile, mix whipped cream with 1/4 cup sugar. Toss strawberries with 1/4 cup sugar. Spread half the whipped cream over pie, then add the strawberries. Top with remaining whipped cream. Chill for at least 8 hours. Garnish with whole berries and mint leaves.
Consumption of raw or undercooked eggs, shellfish and meat may increase the risk of foodborne illness.