Preheat oven to 375. Cream together butter and sugar. Add egg and mix well. Add flour, salt, baking powder and milk, mix until well blended.
Carefully fold in berries.
Spoon into greased 10-inch springform pan.
Mix together brown sugar, flour, cinnamon in bowl. Then using a pastry blender or fork, blend together. mix in pecans. Sprinkle topping mixture over batter.
Bake at 375 degrees for 35-45 minutes or until a wooden pick inserted in center comes out clean.