In a mixing bowl combine brown sugar, flour, quick oats, cinnamon, nutmeg and salt, and stir to mix well.

Add in the butter and use a pastry cutter, or your fingers to combine with the dry ingredients until the butter is well incorporated and the mixture turns into coarse crumbs. Set aside.

To prepare the apple, wash, peel and slice them, then sprinkle with the lemon juice.

Divide the apple slices between the 8 mini mason jars (4 oz), and top with the crumble topping.

Place the jars on a baking sheet to bake, at 350 for about 20 minutes, until the tops are golden brown. Or make one large apple crisp by placing all the apples in the bottom of a 8 x 8 baking dish, and top the apple mixture with the crisp topping and bake at 350 for about 30 min.