2-Minute Fudge
["1 (1 lb.) box 10x sugar (3 1/2 c.)", "1/4 tsp. salt", "1 Tbsp. vanilla", "1/2 c. cocoa", "1/4 c. milk", "1/2 c. butter", "1 c. nuts (optional), chopped *"]
["*If not using nuts, use a little less butter."]
["sugar", "salt", "vanilla", "cocoa", "milk", "butter", "nuts"]