Preheat oven to 180 degrees. Grease and flour a 10 inch pan.
Whisk together the dry ingredients in a bowl and set aside.
Beat butter and sugar till creamy and fluffy.
Add the egg and beat till combined.
Add in the vanilla and milk and beat briefly.
Add the flour in two batches and beat till all mixed.
Pour into the prepared pan and dot on the top with the strawberries. Sprinkle the brown sugar all over.
Bake in the oven for 50-60 minutes till skewer inserted into the center comes out clean.
Cool in pan and serve warm.