If you’re dreaming of a light yet satisfying dessert that brightens your table and fits easily into your healthy lifestyle, you’ve just found it! This Weight Watchers Lemon Cake is a burst of zesty lemon flavor in each airy, moist bite, all thanks to the magic blend of classic cake mix and creamy Greek yogurt. It’s honestly the perfect balance of sweet and tangy that makes dessert (or an indulgent afternoon snack!) feel like a little celebration. Best of all, it’s so simple and foolproof, anyone can whip it up and enjoy a sweet treat without the guilt.

Ingredients You’ll Need
-
Dry Ingredients:
- 1 box (15.25 oz) lemon cake mix
Wet Ingredients:
- 1 cup nonfat plain Greek yogurt
- 1 cup water
- 2 tablespoons lemon juice
- 1 tablespoon lemon zest (optional)
Additional:
- Powdered sugar for dusting (optional)
How to Make Weight Watchers Lemon Cake
Step 1: Prepare Your Oven and Pan
Begin by preheating your oven to 350°F (175°C). Take a moment to lightly grease a 9×13-inch baking dish. This ensures your Weight Watchers Lemon Cake won’t stick and will lift out in perfect squares.
Step 2: Mix the Batter
Grab a large mixing bowl and pour in the lemon cake mix, Greek yogurt, water, lemon juice, and the optional lemon zest. Stir these together until the batter is completely smooth and everything is well combined—no dry pockets left behind. The Greek yogurt really helps with that creamy, luscious texture.
Step 3: Bake to Perfection
Pour the silky batter into your prepared baking dish. Spread it evenly for level baking. Slide the pan into your oven and let it bake for 30 to 35 minutes. You’ll know it’s ready when a toothpick or cake tester comes out clean from the center—no need to overbake, as you want to preserve that tender, moist crumb.
Step 4: Cool and Finish
Let the cake cool completely in the pan. This makes slicing and serving so much easier! For a finishing touch, dust with powdered sugar if you’d like a pretty, sweet topper. The aroma of fresh lemon is irresistible at this stage.
How to Serve Weight Watchers Lemon Cake

Garnishes
A simple dusting of powdered sugar is all you need for a classic finish, but if you love extra lemon flavor, try a drizzle of sugar-free lemon glaze or scatter a sprinkle of extra lemon zest on top. For a pop of color, add a few fresh berries or edible flowers.
Side Dishes
Serve your Weight Watchers Lemon Cake alongside a bowl of fresh mixed berries or a dollop of light whipped cream. It’s also perfect with a steaming cup of green tea or iced herbal lemonade for a refreshing pairing.
Creative Ways to Present
If you’re hosting, cut the cake into elegant squares and stack them on a tiered dessert stand. You can also use a round cutter for mini cake bites or layer cake cubes with berries and light yogurt in parfait glasses for a stunning, deconstructed dessert.
Make Ahead and Storage
Storing Leftovers
After everyone has enjoyed their share, simply cover the baking dish tightly with plastic wrap or foil and keep leftovers refrigerated. The Weight Watchers Lemon Cake stays moist for up to 4 days, making it a great make-ahead treat for busy weeks.
Freezing
Yes, you can freeze slices of this cake! Cut into portions, wrap individually in plastic wrap, and place in a freezer bag. It’ll keep for up to 2 months. Thaw at room temperature for a sweet treat anytime you crave lemon deliciousness.
Reheating
There’s no need to reheat, as this cake is wonderful served chilled or at room temperature. If you prefer a slightly warm dessert, pop a slice in the microwave for 10–15 seconds, just until gently warmed through.
FAQs
Can I use a different flavor cake mix for this Weight Watchers Lemon Cake?
Absolutely! While lemon keeps things bright and fresh, you can swap in another flavor like orange or strawberry for a fun twist. Just remember, the lemon juice and zest will taste best with citrus-based mixes.
Is Greek yogurt necessary, or can I use regular yogurt?
Greek yogurt is best here because it’s thicker, which leads to a fluffier cake and a lovely, moist crumb. Regular yogurt may make the batter a bit runnier—but it still works in a pinch!
How can I make this cake even lower in sugar?
To further lighten things up, use a sugar-free cake mix when available and skip the powdered sugar topping. For the glaze, opt for a sugar substitute blended with lemon juice for a zesty finish.
What’s the serving size and point value for Weight Watchers?
This Weight Watchers Lemon Cake recipe makes 12 servings. Depending on your plan, each piece is low in points thanks to the nonfat Greek yogurt and the portion control—always check your app for exact values on your plan.
Can I prep this cake ahead for a party?
Definitely. In fact, the flavors develop and the cake gets even more moist if you make it a day in advance. Just keep it tightly covered in the fridge, and dust with powdered sugar right before serving for a pretty finish.
Final Thoughts
Give this Weight Watchers Lemon Cake a try and you might just find yourself with a new go-to dessert! It’s sunny, tangy, and oh-so-light, delivering plenty of flavor with zero fuss. Whether you’re baking for yourself, your family, or a celebration, this cake never fails to put a smile on everyone’s face. Enjoy every bite—you deserve it!
Print
Weight Watchers Lemon Cake Recipe
- Prep Time: 5 minutes
- Cook Time: 35 minutes
- Total Time: 40 minutes
- Yield: 12 servings
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Low-Fat, Vegetarian
Description
This Weight Watchers Lemon Cake is a light and moist dessert made with Greek yogurt for a healthier twist. It’s easy to make and perfect for those looking for a low-fat treat with a refreshing lemon flavor.
Ingredients
Dry Ingredients:
- 1 box (15.25 oz) lemon cake mix
Wet Ingredients:
- 1 cup nonfat plain Greek yogurt
- 1 cup water
- 2 tablespoons lemon juice
- 1 tablespoon lemon zest (optional)
Additional:
- Powdered sugar for dusting (optional)
Instructions
- Preheat the oven: Preheat the oven to 350°F (175°C) and grease a 9×13-inch baking dish.
- Mix the batter: In a large bowl, combine the cake mix, Greek yogurt, water, lemon juice, and lemon zest (if using). Mix until smooth.
- Bake: Pour the batter into the prepared dish and bake for 30–35 minutes until a toothpick comes out clean.
- Cool and serve: Let the cake cool in the pan. Dust with powdered sugar before serving, if desired.
Notes
- This cake is low in fat and can be portioned into smaller squares for portion control.
- For extra lemon flavor, consider adding a sugar-free lemon glaze with powdered sugar substitute and lemon juice.
Nutrition
- Serving Size: 1 square
- Calories: 150
- Sugar: 16 g
- Sodium: 270 mg
- Fat: 2 g
- Saturated Fat: 0.5 g
- Unsaturated Fat: 1.5 g
- Trans Fat: 0 g
- Carbohydrates: 30 g
- Fiber: 0 g
- Protein: 3 g
- Cholesterol: 0 mg