Whisk together flour, spices, baking powder, baking soda and salt.
Whisk together eggs and brown sugar. Add molasses and 1½ c Chobani. Stir in flour mixture and then oil.
Pour Chobani mixture into greased Bundt pan and bake at 350°F until cake tester comes out clean, 45-55 minutes. Cool then unmold onto cake plate.
Whisk remaining 3 T Chobani with powdered sugar and drizzle over cake. Let set 15 minutes before slicing.