Grease or spray 12 regular-size muffin cups. Mix butter and brown sugar; spoon 1 tablespoon mixture into each muffin cup.
Mix granulated sugar and cinnamon in 1-gallon bag. Separate dough into 20 biscuits; cut each in 6 pieces. Shake pieces in bag to coat. Place 10 pieces in each muffin cup.
Bake at 350°F for 12 to 15 minutes or until golden brown. Cool 1 minute; turn upside down. Serve warm.