Apple Rose Tartlets

Name: Apple Rose Tartlets
Prep time: 20 min
Cook time: 45 min
Total time: 1 h 5 min
Cuisine: British
Ingredients: 2 packs readymade puff pastry (or my flaky pastry); 2 tbsp plain flour (all-purpose) (to sprinkle the counter); 4 whole apples (use your favourite); 1/2 whole lemon (juiced); 2 tbsp caster sugar; 1 tsp ground cinnamon; 2 tbsp icing sugar (US powdered sugar) (for decorating)