Preheat oven to 180°C/350°F.
Peel, core and cut apples into 2cm (¾-inch) pieces. Place apple, caster sugar and the water in a large saucepan; bring to the boil, stirring to dissolve sugar. Cook, covered, over low heat, for 10 minutes or until apples are just tender.
Combine apples and the cooking liquid in a large bowl with strawberries, cinnamon, plain flour, extract and maple syrup. Spoon mixture into a 2-litre (8-cup) shallow ovenproof dish.
To make crumble, process nuts, self-raising flour and rosemary until nuts are coarsely chopped. Add butter and brown sugar; pulse until butter is almost finely chopped. Tip mixture into a large bowl. Drizzle extra maple syrup over dry ingredients, then using fingertips, rub into flour mixture until mixture begins to clump. Scatter crumble over fruit (pile crumble high on top of the fruit as it will sink down as it cooks).
Bake crumble for 40 minutes or until topping is golden and fruit is soft. Serve crumble topped with extra strawberries and cream or ice-cream.
We used Gala apples in this recipe. You could also use Pink Ladies or Golden Delicious apples instead.Note
Perfection Fresh strawberries
Perfection Berries are 100 per cent Australian grown and handpicked with care. These vibrant berries are packed with berry antioxidants and naturally high in Vitamin C.