Melt butter in saucepan over medium heat
Keep heating until butter begins to foam and smell nutty
Remove from heat as soon as butter solids begin to brown
Stir in sugar, salt, nuts, milk and vanilla
Preheat oven to 350 F
Allow mix to solidify for 5-10 minutes
Line baking sheet with silicone mat or parchment paper
Drop scant teaspoons of mix on sheet 3 inches apart. The cookies will spread considerably
Bake 6-8 minutes until golden brown. The cookies will start spreading at about minute 4
Allow cookies to cool on sheet for 5 minutes then transfer to cooling rack
Melt half the chocolate over a double boiler then stir in the remaining chocolate
Spread the chocolate on the flat side of each cookie and make a zigzag pattern with a fork through the chocolate
Let cool completely