First of all rinse and clean the strawberries removing the stem. You can simply smash them with a fork or you can blend them with a blender. Keep aside.
Prepare a double boiler and add whisk the egg, yolk and sugar together. Kep it on law flame and continuesly whisk till it is hot enough but not boiling. ake it from the heat and keep on whisking the egg mix without heat, cold. Keep aside.
In an other bowl, add the whipping cream and whisk it stiff by hand or help yourself with a hand mixer.
Now add the cream and slowly fold it under the egg mix.
In convinient molds add the strawberry mash and on top of that the cream egg mix. Fill it well and with a fork mix lightly the strawberry mash with the cream. The result should be that small strawberry bits apear in the parfait.
After that directly keep the molds in the freezer for about 5 hours. When they are properly frozen take the Parfait out on a cold plate and pour the fruit sauce over it. serve quickly before it melts!
For the Fruit Sauce:
Clean and wash the strawberries and mash them gradually into a mush or blend them in a blender. add sugar according to your taste and the lemon juice. mix and ready!