Beat the strawberries in a mashed blender.
Add sugar and egg. Beat with a mixer until smooth.
Pour the vanilla flour into the strawberries and beat with a mixer again.
Bring the milk to a boil, then add the strawberry mixture and simmer constantly stirring until the cream thickens.
Remove the cream from the heat and add the butter, mix until it dissolves.
Transfer the cream into a container in which you will store and cool.
Strawberry custard is very aromatic and tender. The recipe is pretty easy to make. This cream is perfect as a basis for desserts, as well as for the assembly of cakes. The amount of sugar can be changed according to your taste and depending on the sweetness of the berries.