Crumble together cold butter, flour, brown sugar and place in the fridge to keep cool.
Cream together your room temperature butter, sugar, lemon zest and vanilla.
Add your eggs into the creamed mixtures and whisk until smooth.
Pour in milk and oil, and whisk together
Fold in your sifted flour, baking powder, salt and blueberries until silky smooth then set aside.
In a separate bowl, whisk cream cheese, icing sugar and juice of the lemon you zested earlier.
To your lined muffin tins, add 1 tbs of muffin batter followed by ½ tbs of cream cheese filling followed by another layer of batter and sprinkle over crumble.
Using your Hotpoint oven select the muffin function in programmed recipes allow to bake for 16 minutes, or cook at 180 degrees for 10 minutes and then 160 degree for another 10 minutes
Allow to cool or enjoy warm!
