Step 1

Preheat the oven to 350 F and line 2 baking sheets with parchment paper.

Step 2

Whisk together the flour, baking powder, baking soda, cinnamon, ginger, and salt in a mixing bowl.

Step 3

In another large mixing bowl, beat the butter and sugar until smooth and creamy.

Step 4

Add the egg and vanilla and beat to combine.

Step 5

Sieve in the flour mixture and stir everything together with the wooden spoon until combined.

Step 6

Mix through the oats and raisins.

Step 7

Roll the dough into balls and place them on the baking sheets.

Step 8

Bake the cookies for 12 to 14 minutes, or until golden on the top.

Step 9

Leave the cookies on the baking sheets for about 10 minutes before using a spatula to carefully transfer them to a wire rack to cool.