01 -  Remove the stems from each mushroom and set aside the mushroom caps. 
 02 -  In a bowl, combine Alfredo sauce, breadcrumbs, grated Parmesan cheese, and garlic powder until evenly blended. 
 03 -  Spoon the prepared filling into each mushroom cap, distributing it evenly. 
 04 -  Arrange stuffed mushrooms on a baking tray and bake in a preheated oven at 350°F for 15 minutes until heated through and golden on top.