Step 1

Preheat the oven to 350°F (175°C).

Step 2

In a large mixing bowl, cream together the butter, brown sugar, and white sugar until light and fluffy.

Step 3

Add the egg and vanilla extract to the mixture and mix well.

Step 4

in a separate bowl, combine the flour, baking powder, baking soda, and salt.

Step 5

Gradually add the dry ingredients to the wet mixture and mix until well combined.

Step 6

Roll the dough into small balls and flatten them slightly to form the biscuits.

Step 7

Place the biscuits on a baking sheet lined with parchment paper and bake for 12-15 minutes, or until golden brown.

Step 8

Remove the biscuits from the oven and let them cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.