In a large bowl, combine flour, baking soda, and salt. Add nuts and stir to coat well. Make well in center of flour mixture.
In small bowl, combine melted morsels, sour cream, corn syrup and egg; mix until blended. Add to well in flour mixture; stir until just moistened. Spoon into paper-lined muffin cups, filling each about 3/4 full. Bake at 375° for 15 - 18 minutes. Cool 5 minutes; remove from pans. Cool completely on wire racks or serve warm.