For the cake topping, add the melted butter to the tube pan and use a brush to coat the sides of the pan.
Spread the brown sugar evenly around the bottom of the tube pan.
Line the bottom of the pan with the pineapple slices.
Spread the pecans evenly over the top of the pineapple slices.
Set aside.
RUM SYRUP
In a medium-sized saucepan combine all the syrup ingredients.
Bring to a rapid boil and then reduce to a simmer.
Cook for 4-5 minutes, until the syrup thickens slightly.
Remove from heat and set aside until cake is ready to be coated.
CAKE
In a separate medium bowl, combine the following ingredients: flour, baking soda, baking powder,salt, sugar, pudding mix, and vegetable oil until thoroughly combined. Batter will be thick.
Beat in the pineapple juice, then beat in the eggs one at a time.
Scrape the sides of the mixer as necessary.
Add vanilla at low speed and mix for 1-2 minutes.
Bake for 40 – 50 minutes.
Allow the cake to cool for 5-10 minutes and then carefully flip the cake onto a serving dish.
Allow the cake to cool for 10-15 minutes.
Poke holes all over the cake with a long skewer.
Pour or brush the cake with the rum syrup until all the syrup is used. Enjoy!