Preheat oven to 375. line a 9 or 10'inch cake pan with parchment paper. Set a side. Separate two eggs in two bowls.
With the yolks add milk, butter, and salt. Mix and add flour, sifted baking powder and beat quickly with a wire whisk.
In the egg white bowl beat them well with hand mixer until stiff white peaks form. Fold them into the egg yolk mixture and blend well. Pour into parchment lined cake pan and place the berries all around the top of batter. OPTION-you can sprinkle 1/2c. granulated sugar over the top of cake before baking if you like it sweeter. The 2c. of fruit makes it sweet and so does the glaze on top. It's your preference.
Bake at 375 for 35 minutes or until cake sets in the center and is golden brown. Blackberry Glaze-Mix all ingredients well and drizzle over warm cake that has been removed from the cake pan. *Other fresh fruits can be used or mix it up and use several kinds.