Labouyi nan fèy Bannann

Name: Labouyi nan fèy Bannann
Ingredients: 2 star anise; 1 teaspoon ground cinnamon (or 1 cinnamon stick); 1 teaspoon ground ginger; Pinch of kosher salt; 1/2 cup cornmeal; 1/4 cup cassava flour; 1 cup evaporated milk; 4 to 5 tablespoons sugar (to taste); 1 tablespoon unsalted butter; 1/2 teaspoon ground nutmeg; 1 teaspoon vanilla extract; 1 teaspoon lemon juice; 2 teaspoons rum, optional; 2 cups cut-up fresh fruit, plus more sliced for garnish, such as guava (see Cook's Note); 2 teaspoons lime zest; 4 fresh banana leaves, washed, optional