Bananas Foster Bread

Name: Bananas Foster Bread
Ingredients: Nonstick cooking spray; 4 medium-ripe bananas, mashed (1 2/3 cups); 2 large eggs; 1 cup granulated sugar; 1/2 cup coconut oil, melted; 3 tablespoons plain yogurt; 1 teaspoon rum extract; 1 teaspoon pure vanilla extract; 2 cups all-purpose flour; 1 teaspoon baking powder; 1/4 teaspoon fine salt; 4 tablespoons (1/2 stick) unsalted butter; 1/2 cup dark brown sugar; 1/4 cup spiced rum; 1 teaspoon finely grated orange zest; Vanilla ice cream, for serving, optional