Grease a 14x5-inch tart pan with a removable bottom with butter and flour. Set aside. Preheat the oven to 375 degrees F.
For the Crust
In a large bowl, beat the egg with the 1/3 cup of sugar. Add one stick of butter and mix well. Add the salt, vanilla extract, two Tbsp. of milk and the flour. Mix until combined.
Move the dough onto the prepared pan. Press it down into the bottom of the pan and up the sides. Make the bottom as even as you can, and work around the sides with your thumbs removing any extra dough from the edges and adding dough if necessary. Prick the bottom with a fork. Set aside.
For the Filling
Combine all the ingredients (ricotta, eggs, sugar, vanilla extract, corn starch and salt) in a bowl and blend well. Pour the filling on the tart crust. Sprinkle the top with berries.
Bake at 375 degrees F for 50-55 minutes or until the edges are golden and the middle is set.
Wait for the tart to cool off, before removing from the pan. Sprinkle with powdered sugar (optional) and serve. Enjoy!
