Add all of the ingredients into a small saucepan and cook until soft and the liquid is syrupy, about 7 to 10 minutes.
Pre heat the oven to 160℃. Place gluten free flour, oat flour, baking soda, baking powder and coconut sugar into a bowl and mix well.
In a separate bowl add the oil, plant based milk, vanilla extract and apple sauce and mix well. Add this mixture into the dry mixture and stir until thoroughly mixed through.
Add the apple mixture and stir though well. Place 12 patty pans into a muffin tin and spoon the mixture evenly into these pans.
Add all of the ingredients into a bowl and mix through with your hands to resemble a crumble, then spread this mixture evenly on top of the muffin mixture.
Bake the muffins at 160℃ for about 22 minutes or until cooked through.