For almond crumble, preheat oven to 200C. Combine flour and butter in a large bowl and rub with your fingertips until fine crumbs form. Add sugar and almonds, mix to combine and set aside.
Cut peaches into wedges and combine with remaining ingredients in a large bowl. Spoon into a 3 litre-capacity baking dish, top with almond crumble and bake until golden brown (35-40 minutes). Serve immediately with double cream or ice-cream.