Warm the milk, add yeast and sugar. Stir and let sit for ten minutes.
Add the egg yolks, flour, salt and butter to the mixing dough.
After 10 mins add the yeast mixture and mix on medium speed for 15 mins.
Carefully remove the dough and roll out on a lightly floured surface.
Knead the dough just a little until smooth and in a ball shape.
Add oil to a bowl, place the dough on top and then cover with a towel.
Place in a warm area and let it sit, undisturbed, for 1 hour to rise.
After one hour, pat down the dough, lightly knead it and then separate it into 10-12 balls.
Place the balls on parchment lined baking sheets (no more than 6 dough balls per sheet)
Create a well with the bottom of a sturdy glass OR use a rounded measuring spoon.
Brush each pastry evenly with egg wash (1 egg + 1 tsp water, mixed together).
Add the filling ingredients to a mixing bowl, and whip together until smooth & evenly combined. Spoon the mixture evenly into all the pastry wells.
Top each danish with a dollop of strawberry preserves.
Mix together the crumble ingredients until evenly combined, then sprinkle it evenly out over all of the danish.
Bake for 350° for 18-20 mins
Serve warm & enjoy!