In a large bowl, cream butter and sugar; add eggs one at a time, beating well after each. Beat in vanilla.....Combine flour, baking powder, baking soda and salt, add to creamed mixture alternately with sour cream beating well after each addition, begin and end with flour.
Spoon 1/3 of batter into bottom of greased and floured 10 inch tube pan. Combine brown sugar, flour and cinnamon, sprinkle half over batter, top with 1 cup of berries, repeat another layer, top with batter only. Bake at 350 for 55 to 65 minutes, test. Cool in pan 15 minutes remove to wire rack. Cool. Glaze. Combine glaze ingred. drizzle.