Preheat oven to 350 degrees F.
Cube donuts into a large bowl. Pour other ingredients on top of donuts and let soak for a few minutes. Mix all ingredients together until donuts have soaked up the liquid as much as possible.
Bake for about 1 hour until center has jelled. Top with Butter Rum Sauce.
Melt butter and slowly stir in confectioners' sugar. Add rum and heat until bubbly.