1 bag (12 ounces) semisweet chocolate chips
1 can (14 ounces) sweetened condensed milk
1 1/2 teaspoons vanilla
1/4 teaspoon salt
In heavy saucepan, over low heat, melt chips with milk. Remove from heat; stir in remaining ingredients. Spread evenly into wax paper lined 8" square pan.
To make In microwave: Put chips and milk into bowl- heat until chips are melted. Continue as above.