Preheat oven to 450 degrees.
Sprinkle 1/4 cup of sugar over berries; set aside. Mix our, sugar and salt. Combine salad oil and milk in a small bowl and whip with fork. Pour over flour mixture. Mix with fork until moist.
Turn into a greased 8-inch by 8-inch by 2-inch cake pan. Press dough into pan, building up edges about one inch deep. Spread berries over the dough.
Streusel:
Mix sugar, flour and salt together. Cut in butter until crumbly. Sprinkle over fruit. Bake for 40 to 45 minutes.