In a bowl, mix 90g flour, 1 tsp baking powder and 1 pinch salt.
Melt 15g butter in another bowl. Add in 20g sugar, 1 egg, 60 ml milk and 1/4 tsp vanilla in order. Add in new ingredient after previous ones mixed well.
Then add dry ingredients into butter bowl 1/3 at a time. Mix till just combine.
Heat a pan. Brush with oil. Scoop one spoonful batter into the pan. When many small bubbles show on the surface, flip it over. Fry till the other side turns golden brown.
Serve with maple syrup.