In bowl combine bisquick, milk and egg using a fork, mix until all combined to create dough.
In another bowl mix brown sugar, sugar, cinnamon and nuts. Add 2 T melted butter and store to moisten. set aside. Generously flour rolling surface. Flour your hand well also.
Turn dough out onto surface and start patting into a rectangle shape with your hand.
Use rolling pin to thin dough to about 1/2 inch thickness. Do not over-roll, the dough will stick.
Once rolled our pour 3/4 c melted butter over entire surface then spread all over, sprinkle with sugar and nut mixture. Start rolling dough from long end. Slice into 1" to 1/2" slices, transfer to well greased 9x13 pan, use spatula to make it easier.
Bake 375 for 25-30 minutes.
Let sit for 5 minutes before serving.
Combine powder sugar, milk and vanilla to desired consistency and drizzle over top rolls.