Preheat the oven to 350 degrees. grease a bundt pan. Combine 1 cup of sugar and 2 teaspoons of cinnamon in a large ziplock bag, shake to combine. Set aside.
Open two cans of biscuits and cut each biscuit into quarters.Drop all of the biscuit pieces into the cinnamon-sugar mix, seal the bag and shake until combine.
Now diced the apple and add it to the bag, shake again until fully combined. Pour mixture into a greased bundt pan.
Melt the two sticks of butter together with ½ cup of brown sugar in a saucepan over medium-high heat or in the microwave. Mix the drown sugar, butter mixture with a spoon until fully combined. Pour mixture evenly over biscuit mixture in the bundt pan.
Bake for about 30-40 minutes until the crust is a golden/brown color. remove from oven and allow to cool for 10 minutes before glazing.
To Make Glaze:
While the bread is baking combine all the ingredients in a small bowl, mix with a whisk or fork until there are no more lumps and glaze is thick.