<human>:  What ingredients do I need for a basic apple pie?
<bot>: Ingredients needed for a basic apple pie:
 • 6-7 apples
 • 1/2 cup (100 grams) of white sugar
 • 1/2 cup (125 ml) of butter
 • 1 teaspoon of ground cinnamon
 • 1 teaspoon of vanilla extract
 • 2 tablespoons of all-purpose flour
 • 1 9-inch (23 cm) unbaked pie shell