Preheat oven to 350F (176C)

In a saucepan, add your blueberries, sugar, cornstarch, water and lemon juice and mix and cook on medium heat until a compote like texture (liquidy jam) and lower the heat to a simmer. 

while the blueberry compote are cooking down, it's time to make the cookie base. (keep an eye on compote so it doesn't overcook. 

In a mixing bowl add butter, brown sugar, sugar and cream until light in color. 

Add eggs and vanilla and mix until combined. Your compote is probably is ready so remove off the heat and put in a jar and let cool. 

Once you added all of your wet ingredients, it's time for the dry. Add your flour, cornstarch, baking powder and salt. 

Mix until JUST combined. And fold in your blueberries. and set a side. 

Time to make the crumble: Add your brown sugar, flour, salt and butter to a small bowl and with your hands mix together until you have a send like texture. 

Time so assemble; scoop your cookie dough to a pan and make little well with your fingers and add your compote. & Sprinkle the crumble on top. 

Bake for about 15 minutes or until golden. 

Let the cookies cool a bit and ENJOY! x