In food processor, pulse cheese, butter, mustard and thyme until combined. Add flour and baking powder and pulse until dough starts to come together. On lightly floured surface, take about 1" balls of dough and roll out to desired shapes and place on parchment lined baking sheet. Place in refrigerator for at least one hour. Bake in 400 deg. F. oven for about 15 minutes, or until crisp and golden. Makes about 22.
