Home » Recipes » Banana Rum Cake w/ Caramel Sauce Suggestions? Banana Rum Cake w/ Caramel Sauce - Recipe Cost Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown For the Cake ½ cup Rave Review Culinary Rum For the Drizzle 2 tbs. Nielsen Massey Vanilla 2 tbs. Rave Review Spiced Rum Ingredients Per Serving Qty Common Price Price per Serving 1 box of yellow cake mix 0.1 box $1.99 per item $0.20 ½ tsp. baking soda 0.05 teaspoon $2.59 per 10 ounces $0.00 2 eggs 0.2 eggs $2.53 per 12 items $0.04 ¼ cup sour cream 1.2 teaspoons $2.65 per 16 ounces $0.03 4 ripe bananas 3/8 bananas $0.99 per pound $0.10 2 tbs. vegetable oil 5/8 teaspoon $3.00 per 48 fluid ounces $0.01 ½ cup powdered sugar 2 3/8 teaspoons $2.59 per 2 pounds $0.02 3 tbs. butter 7/8 teaspoon $3.99 per 16 ounces $0.04 Total per Serving $0.44 Total Recipe $4.41 Please Log In or Sign Up to edit Recipe Cost info Email Recipe Cost Send To Message (if any) or Close