Gooey Hot Chocolate Marshmallow Cookies

GOOEY HOT COCOA MARSHMALLOW COOKIESCOOKIES:½ c. butter1 ½ c. semisweet chocolate chips1 ½ c. flour¼ c. cocoa powder¼ t. salt1 ½ c. light brown sugar3 eggs2 t. vanilla12 large marshmallows, cut in halfICING:2 c. powdered sugar4 T. butter, melted¼ c.…