Peel and slice the Pears.
In an electric mixer bowl, whip up the caster sugar and butter until you obtain a super creamy and fluffy texture.
Add in the confectioner sugar, vanilla and eggs. Continue mixing on high speed for a minute until they are well combined.
Add in the baking powder, sifted flour and a pinch of salt. Mix again for 1-2 minutes. Gradually add 3/4 cup of milk while mixing on low speed. Mix for another minute.
Grease or spray a round baking pan and pour the batter in. Ideally, a 9 inch one is the best size.
After placing the batter in your pan, spread a layer of the sliced pears to cover the whole batter. Sprinkle some cinnamon and the brown sugar on top of the pears.
Bake in a pre-heated 375 degree over for 40-45 minutes. Insert a wooden skewer to make sure it's completely clean before removing the cake.
Remove the cake and cover with a kitchen towel to let it cool down. It may take up to 30 minutes to completely cool down. Dust with some confectioner sugar and serve.