Recipes Cuisine European Scandinavian Sour Cream Banana Cake 4.5 (83) 67 Reviews 13 Photos This sour cream banana cake recipe came from Denmark with my great-grandmother and great-grandfather when they came over to the United States. Submitted by Margaret Wehling Updated on May 8, 2024 Save Rate Print Share Close Add Photo 13 13 13 13 Prep Time: 30 mins Cook Time: 30 mins Total Time: 1 hr Servings: 12 Yield: 1 3-layer, 9-inch cake Jump to Nutrition Facts Cook Mode (Keep screen awake) Ingredients 1x 2x 4x Oops! Something went wrong. Our team is working on it. Original recipe (1X) yields 12 servings 2 cups packed brown sugar 1 1/2 cups butter, softened and divided 4 large eggs 4 bananas, mashed 1 1/4 cups sour cream, divided 4 cups sifted cake flour 1 teaspoon baking soda ⅛ teaspoon salt 1 cup chopped walnuts 3 teaspoons vanilla extract, divided 4 cups confectioners' sugar Directions Preheat the oven to 350 degrees F (175 degrees C). Grease three (9-inch) round cake pans. Beat together brown sugar and 1 cup butter in a large bowl until creamy and smooth. Add eggs one at a time, mixing well after each addition. Beat in mashed bananas and 1 cup sour cream. Stir in flour, baking soda, and salt until well combined. Mix in nuts and 2 teaspoons vanilla until incorporated. Bake in the preheated oven until a toothpick inserted into the centers of cakes comes out clean, 30 to 40 minutes. Allow cakes layers to cool completely on wired racks. Meanwhile, beat confectioners' sugar, remaining 1/2 cup butter, and remaining 1/4 cup sour cream in a large bowl until well combined. Add remaining 1 teaspoon vanilla and beat until frosting is fluffy. Layer cooled cake layers with frosting. Tips: You can bake this cake in a greased 9x13-inch dish if desired. Bake in the preheated 350 degrees F (175 degrees C) oven until a toothpick inserted into the center comes out clean, 40 to 50 minutes. I Made It Print 119 home cooks made it! Nutrition Facts (per serving) 802 Calories 36g Fat 114g Carbs 9g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 12 Calories 802 % Daily Value * Total Fat 36g 47% Saturated Fat 18g 91% Cholesterol 137mg 46% Sodium 352mg 15% Total Carbohydrate 114g 41% Dietary Fiber 2g 9% Total Sugars 72g Protein 9g 17% Vitamin C 4mg 4% Calcium 84mg 6% Iron 4mg 24% Potassium 335mg 7% * Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. ** Nutrient information is not available for all ingredients. Amount is based on available nutrient data. (-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.