Preheat oven to 350 degrees. Grease a deep dish pie plate.
In a medium mixing bowl, stir together butter, egg, milk and vanilla.
Add flour, baking powder, sugar and salt. Stir well and pour batter into pie plate.
Bake for 25-30 minutes, until a toothpick tests clean.
Allow to cool before serving with balsamic strawberries and whipped cream.
for the strawberries:
Stir together strawberries, about 2 Tablespoons of sugar, salt and vinegar. Taste and add more sugar if needed. Let stand until serving with cooled cake.
Recipe by Crumbs and Chaos at http://www.crumbsandchaos.dreamhosters.com/2016/06/balsamic-strawberry-shortcake/