Grease and flour a 9 1/2 inch (24 centimeter) bundt pan. Pre heat oven to 350F (180C).
Using a small bowl, make the topping first, combine brown sugar and flour, cut in butter to resemble small crumbs (i usually use a fork or my nice clean hands), add chocolate chips.
Combine and sift together first 5 ingredients, Add butter and milk and beat on low until ingredients are combined then on medium speed for 1 1/2 minutes, add eggs and beat another 1 1/2 minutes. Pour 1/2 the batter into a prepared cake pan, sprinkle with 1/2 the topping, cover with the remaining batter and top with remaining topping. Bake for approximately 35 - 40 minutes. Can be served warm if desired.