Preheat oven to 350 degrees.
Butter a 9 inch deep dish casserole or gratin dish.
Combine sugar, cinnamon, nutmeg, salt and lemon juice with apples.
Pour apple mixture into dish. Top with crumble mixture.
Bake for approximately 40-50 minutes until topping is browned and apples are soft when pierced with a knife.
Serve warm with vanilla ice cream or custard sauce.