Pre-heat the oven set to 190 degrees. Take the butter at room temperature and mix it with dry bread crumbs and grated lemon zest.
Apples wash and peel, cut into thin slices, put in a form that greased. Right mix in the form of apple slices with the washed blackberries, sugar and orange juice. The amount of sugar take the taste - it will largely depend on the acid blackberries and apples. On top sprinkle with crumbs, put in a preheated oven.
After half an hour from the beginning of the preparation required to get dessert from the oven, cool completely, wrap in plastic wrap or foil and freeze. Already immediately before serving the dessert you need to defrost, dopech in an oven at 180 degrees for 30 minutes. That is, if you do not intend to submit a dessert at once, convenient to make such preparation in the evening and the morning dessert for breakfast.
If you are going to apply immediately after cooking brown betty to the table, then bake continuously for 45-50 minutes until golden brown.