In a large bowl mix together the butter, brown sugar, and vanilla until smooth.

Add the flour and mix until well combined.

Fold in the pecans.

Place the dough on a sheet of plastic wrap and shape into a long log that is 12 inches log and 2 inches wide.

Wrap the dough in the plastic wrap and refrigerator for at least 2 hours or up to 5 days.

When ready to make the cookies preheat the oven to 350 degrees.

Wrap the dough and place it on a cutting board.

Brush the dough with the egg and then roll it in the sugar, covering the outside.

Using a sharp knife cut the dough into 1/2 in slices. Place on a cookie sheet and beat for 12- 14 minutes or until the edges begin to get golden brown.

Allow the cookies to cool completely on the cookie sheet.

Melt the chocolate and then either drizzle it on top of the cookies, dip the cookies into it, or put in a piping bag and pipe designs on the cookies.

Quickly sprinkle with sea salt and sprinkles if desired.