Cream butter and cream cheese; add sugar gradually; beat in the egg.
Blend in flour, baking soda, and syrup. Fold in peanuts and crackers. These can be made right away or chilled until ready to bake.
Scoop out tablespoon-sized balls with your cookie scoop or a spoon. Roll in powdered sugar. Place on lightly greased or parchment covered cookie sheet and bake at 350 degrees for 14 minutes. Makes 30 cookies.