Melt butter (5g) in a bowl.
Slice apple (80g) into 5mm pieces.
Mix apple with lemon juice (3ml), cinnamon allulose (5ml), and cinnamon sugar (2g).
Bake apples on baguette mode for 10 minutes.
Mix nuts with butter (5g) and salt.
Sprinkle nuts over baked apples.
Bake again on classic mode at 200°C for 8-9 minutes to toast the nuts.