Toss the strawberries with the sugar and roast at 400 for 40 minutes. Remove, stir in the vanilla and set aside.
Combine in the blender the milk, water, eggs, vanilla, matcha powder, sugar, flour and melted butter.
Blend until smooth.
Cook crepes, 1/3 cup each, in a small amount of butter in a nonstick skillet.
Set aside to cool.
Melt the white chocolate and let cool slightly.
Combine in an electric mixer with the whipping cream, icing sugar and vanilla.
Whip until medium peaks form.
Layer the crepes with the cream (a couple Tbsp per layer).
Chill the cake for a few hours.
Serve with the strawberries.