Almond Croissant Baked Oats

• 200 g oats
• 0.25 cup flax seeds
• 200 g apple sauce
• 1 cup milk
• 1 tsp baking powder
• 0.333 cup slivered almonds
• 0.66 cup almond butter
• 2 tbsp maple syrup
• 1 egg
• 0.5 cup almond meal
• 0.5 tsp almond extract
• 0.25 cup flaked almonds