Place all of the dough ingredients into a bowl or a food processor and bring it together till it has the texture of wet sand
Now, add in the water 1 tbsp at a time till the dough comes together fully and holds well, knead together into a round disc and wrap into cling film and chill for at least an hour
Apple Filling
Peel, core and slice the apples thinly
Mix well with the other filling ingredients and let this mixture sit for at least an hour
Brown Sugar Pecan Crumble
In a large bowl or a food processor place, all of the crumble ingredients besides the pecans and bring to together till you get a crumble like the texture or the consistency of wet sand
Then finely chop the pecans and add to the crumble mix
Assembling the Galette
Roll out the dough roughly but making sure that it is even all around and place the apples into the middle Tip: There might be a lot of liquid in the apples you don't have to add in all in though
Now, sprinkle the crumble on top covering the apples and then fold over the edges of the dough and seal of the pastry and place on a baking tray lined with greaseproof paper
Egg wash and bake at (180 degrees celsius / gas mark 4 / 355 Fahrenheit) for around 40 - 60 minutes or until everything is well cooked and golden
Mix together all of the glaze ingredients well till its smooth
Once baked take the galette out on to a wire rack and let it cool completely
Finish by pouring over the glaze in a zig-zag pattern and enjoy!