French Breakfast Radishes with herbed butter

This is a tradtional European appetizer.  Beautiful French Breakfast radishes are dipped in a softened herbed butter.  Yum!  Get creative with the herbs and enjoy!

1 bunch of French Breakfast radishes, tops removed and saved for another use
1/2 cup butter
1 tablespoon each of your choice of fresh minced herbs (parsley, chives, scallions, dill, etc.)
1 tsp minced lemon zest
salt to taste

Combine the butter with the herbs, lemon zest and salt.  Mix until smooth and evenly distributed.  Place butter into small bowl and surround with radishes.