Preheat oven to 375° F
Lightly grease baking vessel(s)
Place the chopped fruit into a large bowl, sugar, arrowroot powder, chia seeds, and cinnamon in a large bowl. Toss until combined.
Add the lemon juice and stir to combine.
Pour the fruit mix in the prepared baking dish and smooth to even
Top and Bake
In a medium bowl, combine the topping ingredients.
Sprinkle over the fruit mix
Cover the vessel with foil and poke a couple of air holes in the foil. Bake for 35-45 min, or until the apples are just fork-tender.
Uncover the vessel and bake for 10-15 minutes more, or until the topping is golden.