Preheat oven to 375°F and coat four 4 ½ inch (11.5 cm) mini ceramic baking dish with butter or cooking spray and place on baking sheet.
In a large bowl, add the peeled and sliced apples, add the lemon juice and gently toss. Add sugar, flour, cinnamon and nutmeg, and combine with the apples. Distribute equally the apple mixture into each mini baking dish. (about 3 tablespoons each)
In a medium bowl, combine rolled oats, flour, brown sugar, cinnamon, salt and melted butter. Sprinkle over each mini baking dish.
Bake for 35-40 minutes or until crisp is golden brown.
Allow to cool slightly on wire rack, and serve with ice cream or whipping cream.