Preheat oven to 350°F (180°C). Butter a 10-inch pie pan or 9-inch deep-dish pie pan
Whisk flour or flours, baking powder and salt together in a small bowl
In a larger bowl, beat butter and 1 cup sugar until pale and fluffy with an electric mixer, about 3 minutes
Mix in egg, milk and vanilla until just combined
Add dry mixture gradually, mixing until just smooth
Pour into prepared pie plate
Arrange strawberries, cut side down, on top of batter, as closely as possible in a single layer
Sprinkle remaining 2 tablespoons sugar over berries
Bake cake for 10 minutes then reduce oven temperature to 325°F and bake cake until golden brown and a tester comes out free of wet batter, about 50 minutes to 60 minutes
Let cool in pan on a rack
Cut into wedges and serve with lightly whipped cream
