Preheat oven to 350 degrees F. <g class="gr_ gr_154 gr-alert gr_gramm undefined Grammar multiReplace" id="154" data-gr-id="154">Place</g> an 8 inch cast iron skillet in the oven to heat up.
In a large bowl or stand mixer, cream <g class="gr_ gr_153 gr-alert gr_gramm undefined Punctuation only-ins replaceWithoutSep" id="153" data-gr-id="153">butter</g> and sugars until light and fluffy.
Beat in egg and vanilla just until combined.
In a separate small bowl, combine flour, baking soda, and salt. Slowly add to sugar mixture a little at a time until fully combined.
Add in chocolate chips and toffee bits and mix until combined.
Remove hot skillet from oven and add dough to it, gently spreading it out over the pan being careful not to burn yourself.
Press Hershey Kisses Milk Chocolate Candies into the top of the cookie dough and bake for 15-20 minutes until edges are golden brown.
Top with ice cream and hot fudge and everyone dives into the hot pan with their forks and spoons!