Add cubed apples with lemon juice, brown sugar and cinnamon to a bowl, using your hands to toss the mixture and coat the apples well. Set aside at room temperature.
In a large bowl, add the flour, butter and sugar. Using your Smeg hand mixer (with the Optimus beater attachments) mix at a low speed until the mixture resembles breadcrumbs. Then, gradually add the ice-water and continue working until the dough is formed.
Remove dough from bowl and place in a mound on a clean surface. Work the dough just enough to form a ball. Cut the ball in half then form each half into discs. Wrap each disc in cling wrap and refrigerate for at least 30 min.