Heat oven to 450 degrees F. Coat a baking sheet with cooking spray.
In large bowl, stir together all ingredients to form a ball. On floured
surface, knead dough by folding it in half five to seven times. Pat or roll
dough to 1/2-inch thickness. With biscuit cutter, cut into 3-inch rounds. Place
on prepared baking sheet. Brush with additional melted butter, if desired.