The Best Apple Crumble (Crisp, Cozy & Foolproof) Ingredients (Serves 6–8) Apple Filling 6–7 apples (mix of Granny Smith Honeycrisp or Braeburn) ¼ cup sugar (white or brown) 1 tbsp lemon juice 1 tsp cinnamon ¼ tsp nutmeg (optional) 1 tbsp cornstarch or flour 1 tsp vanilla extract Crumble Topping ¾ cup all-purpose flour ¾ cup rolled oats ⅔ cup brown sugar ½ tsp cinnamon ¼ tsp salt ½ cup cold butter, cubed 🔥 Instructions Preheat oven to 350°F (175°C). Peel, core, and slice apples (not too thin). T