Preheat the oven to 180 degrees
Cream the butter and sugar
Fold in the flour. Add the eggs one at a time, mixing in-between
Add the vanilla extract, mix again
You should have a thick sticky dough (much like cookie dough)Put the dough in a lined cake tin and spread it out
Put the Gooseberries on top of the dough, gently pushing them in
Add all the crumble ingredients into a bowl, mix with your fingers until you have a bread crumb consistency
Pile the crumble mix on top of the Gooseberries, covering them completely
Bake for 50-60 minutes