Upside-Down Cake
["1 1/2 c. brown sugar", "6 Tbsp. butter", "1 can sliced pineapple", "1/4 c. chopped walnuts", "maraschino cherries (about 12)", "1 yellow cake mix"]
["In a cast-iron skillet, melt butter.", "Add sugar and mix. Spread evenly over bottom of cake pan.", "Arrange pineapple, nuts and cherries over butter mixture.", "Pour cake batter evenly into pan.", "Bake at 350\u00b0 for 40 minutes."]
["brown sugar", "butter", "pineapple", "walnuts", "maraschino cherries", "yellow cake"]