3 cooker upside down cake Recipes

unsalted butter, in small pieces, plus more for the cooker, dark brown sugar , plus for lining the cooker, dark rum, ripe medium bananas, peeled and halved lengthwise (about 6), cake flour, baking powder, ground cinnamon, ground nutmeg, fine salt, unsalted butter, softened (1/2 stick), sugar, egg, at room temperature, egg yolk, at room temperature, whole milk, at room temperature, ice cream , for serving

unsalted butter, in small pieces, plus more for the cooker, dark brown sugar , plus for lining the cooker, dark rum, ripe medium bananas (about 6), peeled and halved lengthwise, cake flour, baking powder, ground cinnamon, ground nutmeg, fine salt, unsalted butter, softened (1/2 stick), sugar, egg, at room temperature, egg yolk, at room temperature, whole milk, at room temperature, ice cream for serving