In bowl, mix butter and brown sugar; spoon 2 teaspoons mixture into each of 10 greased regular-size muffin cups.
Cut each biscuit into 8 pieces. Place biscuit pieces and granulated sugar in bowl; toss to coat. Place 4 pieces dough in each muffin cup.
Bake at 350°F 18 to 21 minutes or until golden brown. Cool 1 minute; turn upside down. Serve warm.