Dill dip is a popular dip that is often used with salmon and other fried fish. The flavor of dill in the dip really compliments the taste of fish. The dill in the dill dip is often combined with shredded cucumbers and vegetables. The dill dip uses mayonnaise, sour cream, dill weed and is seasoned with pepper or pepper flakes. Chopped parsley and onions are often added to the dill dip to add texture and color to it.