Soften the gelatin in cold water. Rinse and slice the strawberries.
Whip the cream. Beat the egg yolks and egg with the sugar until foamy. Heat 3 tablespoons of mascarpone in a small saucepan and dissolve the gelatin in it. Stir the mascarpone and gelatin into the egg mixture. Fold in the cream.
Break the ladyfingers into small pieces and distribute in 4 glasses. Alternately layer the mascarpone cream and strawberry slices on top. Dust with cocoa powder and garnish with strawberry slices. Serve cold.