In large pot, cover potatoes with water and boil just until a fork can be easily inserted into potatoes. Turn off burner, drain potatoes and return to pot. Add butter. Mash** to desired consistency. Stir in milk a half cup at a time until creamy.

Cut 1/2 cup butter into cubes. Melt butter in saucepan over medium heat then add the thyme. Stir continuously the entire time. Remove from heat once the butter has reached a golden brown color. (takes about 4-5 minutes). Remove and discard sprigs. (some thyme leaves will remain in butter.

Transfer mashed potatoes to a serving dish. Pour brown butter over the top. Generously season with fresh cracked salt and pepper.