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