Cream Butter And Sugar Until Light And Fluffy. Add Eggs And Vanilla; Beat Well. Combine Flour, Cocoa, Baking Soda And Salt. Blend Into Creamed Mixture. Stir In Chips. Drop By Teaspoonfuls Onto Ungreased Baking Sheet. ***** Don't Over Bake !!!! ********* Cool Slightly, Then Remove From Sheet. Bake At 350 Deg F. For 8 To 9 Minutes.