In a large bowl, combine apples, lemon juice, water, cinnamon, and ginger. Place in a glass baking dish. Drizzle honey over apple mixture.

In food processor or pastry cutter, combine margarine, sugar, oats, and flour, until crumbs are formed. Sprinkle generously over apple mixture.

Bake at 375 degrees Fahrenheit for approximately 45 minutes until golden and bubbling.