Apple Cider Doughnut Cake

Name: Apple Cider Doughnut Cake
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: American
Ingredients: 1 15.25 ounce box Yellow cake mix (I used Betty Crocker Yellow Super Moist); 3/4 cup apple cider (NOT apple juice); 1/4 cup water (Room Temperature. Note: If you want a stronger apple cider taste, omit the water and use one full cup of apple cider); ½ cup apple sauce (we used cinnamon apple sauce, not chunky); 3 large eggs (room temperature); ¼ tsp cinnamon (more if you like it really cinnamony! ); 1 tbsp brown sugar; 1 tsp vanilla; 2 tablespoons cinnamon (depending on how much cinnamon you prefer); ¼ cup sugar; ¼ cup melted butter; 1 cup powdered sugar; ¼ cup apple cider