flour, sugar, baking soda, salt, and set aside.
in separate bowl, mix pineapple juice, rum, applesauce, and vinegar.
lay pineapple rounds on the bottom of the pan, one in each cupcake spot (you may have to cut the rounds and place cut edges back together to make smaller circles, to make them fit. at this point, you could also choose to take cherries and stick one in each of the pineapple holes, but we chose to add the cherries after baking. sprinkle pineapple and cherries evenly with a little bit of brown sugar.
quickly mix the wet ingredients with the dry. batter will foam up nicely.
pour into pan immediately and bake for about 