Start by preheating your oven to 350°F (180°C).
Peel and slice your feijoas and apples. Transfer them into a mixing bowl.
Add half a cup of sugar to the feijoa and apple mixture, stirring well to coat.
Transfer the sugared feijoa and apple slices to a baking dish, spreading them evenly.
In another bowl, combine oats, flour, the remaining half cup of sugar, ground cinnamon, and salt.
Melt the butter and pour it over your dry mixture, blending until it forms a crumbly texture.
Sprinkle this crumbly mixture over your feijoa and apple slices in the baking dish.
Place the baking dish in the preheated oven and bake for 45 minutes or until the top turns golden brown.
Remove the Feijoa and Apple Crumble – one of our best, from the oven and let it cool for a few minutes.