Preheat oven to 375°. In a saucepan, heat butter over medium heat. Add apple, cranberries, pecans, brown sugar, cinnamon and nutmeg; cook and stir 5-7 minutes or until apple is tender., Cut Brie horizontally in half; place bottom half in a 9-in. pie plate. Top with half of the apple mixture; replace top. Top with remaining apple mixture., Bake, uncovered, 10-12 minutes or until cheese begins to melt. Serve warm with crackers.