Cinnamon Roll Cake

I've made a goal to try to make at least one new recipe from my Facebook news feed each week.  This week my friend Jan had a recipe for Cinnamon Roll Cake and it looked really yummy, so I thought I'd give it a try.  When I told DH that this recipe came from Facebook, he was skeptical that it would taste good, I was wondering about the amount of butter, but the cake was really good, it pretty much tasted like cinnamon rolls that are make using biscuit mix instead of a yeast recipe. 

Cinnamon Roll Cake

Cake:
3 cups flour
1/4 tsp salt
1 cup sugar
4 tsp baking powder
1 1/2 cup milk
2 eggs
2 tsp vanilla
1/2 cup butter

Topping;
1 cup butter, softened
1cup brown sugar
2 Tbsp flour
1 Tbsp cinnamon

Directions:

Cake:  Mix everything together except for the butter.  Slowly stir in the melted butter and pour into a lightly greased 9 x 13 inch baking dish. 

Topping:  Mix all the ingredients together until well combined.  Drop evenly over the batter and swirl with a knife.

Bake @ 350 degrees for 28 - 32 minutes.

Glaze:
 2 cup powdered sugar
5 Tbsp milk
1 tsp vanilla

Mix together and drizzle over cake while the cake is still warm.