Don’t let your overripe bananas go to waste! This Weight Watchers Banana Cake takes even the brownest banana and turns it into a soft, fluffy, sweet snacking cake that’s perfect for an afternoon pick me up with a hot cup of tea or coffee.  The frosting on top lends some sweetness, while also making this dessert more decadent than the calories let on.  

Weight Watchers Banana Cake is made with simple ingredients – nothing that is too hard to shop for. It’s a recipe you can keep on hand for when you feel a sugar craving coming on, but don’t want to blow your diet. One serving of WW banana cake is only 95 calories, and that’s with the frosting included! It’s a delightful light snacking cake that will warm up your mornings or dress up your afternoon snack. I love this as a finisher for a Weight Watchers friendly lunch. It makes the whole meal feel complete. 

Three reasons why you need to make this recipe!

It’s a delicious way to use up browning bananas. 

While banana bread is the usual go-to, most banana bread recipes are packed with cups of sugar and high fat butter. A serving of this banana cake is only a few grams of sugar and one gram of fat! 

Weight Watchers Banana Cake can double as a breakfast cake or a snacking cake. 

Whether it’s for breakfast, a mid-morning snack, or an afternoon snack – it doesn’t matter! It’s only 95 calories per serving, so you don’t have to work that hard to fit it into your day. 

It’s a fun recipe for entertaining. 

Change it up from the usual plate of cookies or cheesecake when guests come over. You can have them swooning over the lightly sweetened banana cake you keep stocked in the fridge instead. 

Ingredients you need to make Weight Watchers Banana Cake: 

  • 1 egg
  • 2 tablespoons liquid egg whites 
  • ¼ cup brown sugar
  • 2 medium bananas mashed, about 1 cup
  • ½ cup nonfat plain Greek yogurt 
  • ⅓ cup unsweetened apple sauce
  • 1 teaspoon vanilla
  • 1.5 cups all purpose flour
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda

FOR THE FROSTING

  • ¾ tablespoon butter, melted
  • 2 tablespoons brown sugar
  • ¾ tablespoon milk
  • ¼ cup icing sugar

How to make Weight Watchers Banana Cake (step by step): 

  1. Preheat the oven to 375F, and spray a 9 inch baking dish with some nonstick cooking spray.
  2. In a bowl, beat together the egg, egg whites, and brown sugar until it’s light and fluffy. Add in the mashed banana, yogurt, applesauce, and vanilla extract then mix well.
  3. Stir in the all purpose flour, baking powder, and baking soda, and pour the batter into the baking dish.
  4. Bake the cake in the oven for about 28 minutes.
  5. Meanwhile, make the frosting by mixing together the melted butter and brown sugar. Stir in the milk then add the icing sugar and stir until it’s creamy. Store frosting in the fridge till ready to use.
  6. Let the squares cool before removing them from the dish. Spread them with frosting and cut the cake into 16 squares, 4 down and 4 across. Enjoy!

Makes 16 squares. Nutrition info for 1 square: Calories 95,  Fat 1 g, Saturated fat .45 g,  Carbs 19 g,  Fiber .84 g, Sugars 9 g, Sodium 124 mg, Protein 3 g. 

WW Points 

  • Egg 0 points
  • Egg whites 0 points
  • Packed brown sugar 16 points
  • Medium bananas mashed 0 points
  • Nonfat plain Greek yogurt 0 points
  • Unsweetened apple sauce 0 points
  • Vanilla extract 0 points
  • All purpose flour 19 points
  • Baking powder 0 points
  • Baking soda 0 points

FOR THE FROSTING

  • Butter, melted 4 points
  • Brown sugar 8 points
  • Lowfat milk 0 points
  • Icing sugar 5 points

3 points serving based on the WW app recipe creator.  

If you’re using an older version of WW, check out these points below. 

4 personal points 

4 smart points each on blue, green & purple 

2 points plus, old WW program 

Different ways to change up this recipe: 

  • You can make this banana cake without frosting, and add Lily’s No Sugar Added dark chocolate chips to the batter for a banana chocolate chip version. 
  • Chopped nuts would be a great addition – either in the batter or on top of the frosting – if you have the points for it. 

Tips and Tricks for Making Weight Watchers Banana Cake: 

  • When you’re making the icing, it will probably look like it’s not enough. But it is just enough to lightly cover the squares. 
  • Store in a sealed container and it’s best if stored in the fridge. 
  • If you’re not needing all the squares at once, feel free to frost them individually as the frosting will keep better in a dish and not on squares. 

Similar recipes you’ll enjoy: 

4.34 from 6 votes

Weight Watchers Banana Cake

By: Drizzle
Servings: 16
Prep: 10 minutes
Cook: 28 minutes
Total: 38 minutes
4PP, 4 SP on blue, green & purple

Ingredients 

  • 1 egg
  • 2 Tbsp egg whites, I use from the carton
  • 1/4 cup brown sugar
  • 2 medium banana's, mashed, about 1 cup
  • 1/2 cup 0% plain greek yogurt, non greek will work as well
  • 1/3 cup unsweetened apple sauce
  • 1 tsp vanilla
  • 1.5 cups flour
  • 1 tsp baking powder
  • 1 tsp baking soda
  • FOR THE FROSTING
  • 3/4 Tbsp butter, melted
  • 2 Tbsp brown sugar
  • 3/4 Tbsp milk
  • 1/4 cup icing sugar

Instructions 

  • Preheat the oven to 375F, and spray a 9 inch baking dish with some nonstick cooking spray.
  • In a bowl, beat together the egg, egg whites, and brown sugar until it’s light and fluffy. Add in the mashed banana, yogurt, applesauce, and vanilla extract then mix well.
  • Stir in the all purpose flour, baking powder, and baking soda, and pour the batter into the baking dish.
  • Bake the cake in the oven for about 28 minutes.
  • Meanwhile, make the frosting by mixing together the melted butter and brown sugar. Stir in the milk then add the icing sugar and stir until it’s creamy. Store frosting in the fridge till ready to use.
  • Let the squares cool before removing them from the dish. Spread them with frosting and cut the cake into 16 squares, 4 down and 4 across. Enjoy!

Notes

3 points serving based on the WW app recipe creator.  
If you’re using an older version of WW, check out these points below. 
4 personal points 
4 smart points each on blue, green & purple 
2 points plus, old WW program 

Nutrition

Serving: 1squareCalories: 95kcalCarbohydrates: 19gProtein: 3gFat: 1gSaturated Fat: 0.45gSodium: 124mgFiber: 0.84gSugar: 9g

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Baking
Tried this recipe?Mention @drizzlemeskinny or tag #drizzlemeskinny!

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About Drizzle Me Skinny

Kate founded DrizzleMeSkinny in 2014. Since then she has shared nearly 1000 weight watchers friendly recipes with DrizzleMeSkinny's over 500,000 social media followers.

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25 Comments

  1. Good morning! I had some very ripe bananas and decided to make this and must say, Delish! This was so easy to make, I had everything on hand. Only change I made was to use Lankato Golden monkfruit sweetener instead of brown sugar and this made recipe for cake only 1 point!! Yay! I didn’t make the frosting but I saved that as an optional recipe for another time or maybe a different cake. (As a separate recipe in WW recipe builder, frosting was only 1 point!)
    This is, I think, the 5th recipe I’ve tried and so far, everyone has been just great!! Thank you for all you do, it’s so nice to be able
    to ‘indulge’ and still lose weight!!

    1. Hi Michael, I am so glad you enjoyed the banana squares, that is awesome that they went down to 1 point using the monkfruit, thanks for sharing.. I hope you continue to enjoy the recipes 🙂

  2. This was very good. I used swerve sugar replacement for the brown and confectioners sugar. It was great, you couldn’t even tell it was sugar free. This is a keeper!