- 1 cup butter
- 1 cup white sugar
- 4 eggs
- 1 cup mashed ripe bananas
- 1 cup mashed ripe papaya
- 3/4 cup raisins
- 1/2 cup chopped walnuts
- 1/3 cup diced crystallized ginger
- 3 cups all-purpose flour
- 2 teaspoons baking soda
- 1 teaspoon salt
- 1 teaspoon ground cinnamon
- 1 teaspoon ground allspice
- 1 teaspoon ground ginger
- 1/2 teaspoon baking powder
- Preheat oven to 325 degrees F (165 degrees C). Grease two 5×7-inch loaf pans.
- Combine butter and sugar in a large bowl; beat with an electric mixer until creamy. Add eggs; beat until lightly fluffy. Beat in bananas, papaya, raisins, walnuts, and crystallized ginger until batter is smooth.
- Sift flour, baking soda, salt, cinnamon, allspice, ginger, and baking powder together in a separate bowl. Mix gradually into the batter. Pour batter into the prepared pans.
- Bake in the preheated oven until a toothpick inserted into the center comes out clean, about 50 minutes. Cool in the pans for 10 minutes. Invert onto a wire rack to cool completely.