This is my favorite candy recipe. I make a couple of batches every Christmas.

2 l/4 C. packed brown sugar
1 C. butter or margarine
1 C. light corn syrup
l/8 tsp salt
l can (14oz) sweetened condensed milk
1 tsp vanilla extract
1-l/2 lbs whole pecan halves
1 C (6oz) semisweet chocolate chips
1 C (6 oz) milk chocolate chips
2 Tbsp shortening.

In a large saucepan, combine the first four ingredients. Cook over med heat until all sugar is dissolved. Gradually add the milk and mix well. continue cooking until a candy thermometer reads 248 (firm ball stage) Remove from heat stir in vanilla until well blended. Fold in pecans. Drop by Tbsp. onto greased cookie sheets. Chill.
Melt chocolate chips and shortening in the microwave or in a double boiler.
Drizzle chocolate over each pecan cluster. Yield 4dozen