Step 1

In a large mixing bowl. combine oil, eggs, vanilla and milk together.

Step 2

In a medium bowl, blend together sugar, flour, baking powder and salt.

Step 3

Combine egg mixture with flour mixture. Pour half the batter into a lightly greased 9x13 pan.

Step 4

In a medium bowl, prepare streusel by combining brown sugar and cinnamon.

Step 5

Sprinkle half of streusel on top of the batter. Top with remaining batter and then sprinkle the remaining streusel on top.

Step 6

Drizzle with melted butter (you can do less and use 1/3 cup butter or up to 1/2 cup butter melted).

Step 7

Bake, covered with foil at 350 for 25-30 minutes. Take off foil and bake an additional 10 minutes.