[Tony's Creation]Mini Apple Crumble tarts

Ingredients:
Frozen tart shell 4-6 pieces
1 apple, about 150g
2 tbsp of almond slices
2 tbsp corn starch + 3 tbsp of water

Apple sauce ingredients:
Brown sugar 2.5 tbsp
Butter 1.5 tbsp
Cinnamon powder 1 tsp
Lime juice 1 tbsp
water 150 ml

Butter crumble ingredients:
Brown sugar 1 tbsp
Butter 2 tbsp, softened
Flour 4 tbsp