Heat oven to 350°F. Spray 2 (6-oz) custard cups with cooking spray. Place biscuits on microwavable plate. Microwave uncovered on High 10 seconds. Turn over, and microwave an additional 10 to 15 seconds, if necessary, until biscuits are softened. Press and stretch each into 5-inch round, using floured fingers if needed. Place 1 biscuit in each custard cup, pressing into bottom and up side of each.