White Bubble Pizza

2 cans (12oz) golden layer buttermilk biscuits
1 jar (15oz) alfredo sauce
2 cups mozzarella cheese
1/2 tsp garlic powder
2 cups chopped chicken
mushrooms (optional)
cooking spray

Preheat oven to 375 degrees. Cut biscuits into quarters and place in medium bowl. Toss biscuits with alfredo sauce and garlic powder. Add chicken and mushrooms (or shrimp) and half of the cheese. Toss until well blended. Spray a 9x13 pan with cooking spray. Pour biscuit mixture into pan and top with remaining cheese. Bake at 375 for 25-30 minutes, or until biscuits are done.