Add to ❤ Favorites Ingredients for 10-12 servings For the banana topping 4 tablespoons (55g) butter, salted or unsalted 1/2 cup plus 2 tablespoons (110g) packed dark brown sugar 1 vanilla bean, split lengthwise and seeds scraped 1 tablespoon rum 4-5 medium bananas, (about 1 1/4 pounds, 565g, unpeeled) For the cake 1 1/2 cups (175g) all purpose flour, or 1 cup (140g) all purpose flour plus 6 tablespoons (55g) teff flour 1 1/2 teaspoons baking powder, preferably aluminum free 3/4 teaspoon salt 1/2 teaspoon ground cinnamon 8 tablespoons (4 ounces, 115g) unsalted butter, cubed, at room temperature 3/4 cup (150g) granulated sugar 2 large eggs, at room temperature 1/2 cup (125ml) whole or lowfat milk, at room temperature 1 teaspoon vanilla extract Read the Instructions here