Preheat your oven to 350°F (175°C). Grease a bundt pan generously with butter or non-stick cooking spray.
Begin by preparing the biscuit dough. Open the 3 cans canned biscuit dough and cut each biscuit into quarters.
In a shallow bowl, mix together the ½ cup sugar and 3 tsp cinnamon until well combined.
Roll each quartered biscuit piece in the cinnamon-sugar mixture until coated evenly.
Arrange the coated biscuit pieces in the greased bundt pan, layering them evenly.
In a saucepan, melt the 1 ½ cup butter over medium heat. Once melted, add the 1½ cup brown sugar and stir until the mixture comes to a gentle boil.
Allow the butter and brown sugar mixture to boil for about one minute, stirring constantly to prevent burning.
Carefully pour the hot butter and brown sugar mixture over the biscuit pieces in the bundt pan, ensuring that it is distributed evenly.
Place the bundt pan in the preheated oven and bake for 20-25 minutes, or until the cinnamon buns are golden brown and the center is cooked through.
Once baked, remove the cinnamon buns from the oven and invert the bundt pan onto a serving plate to release the cinnamon buns. Serve warm and enjoy the gooey goodness!