Bright & Zesty Lemon Jello Cake Recipe You’ll Love

If you’re looking for a cake that bursts with sunshine in every bite, look no further than this Lemon Jello Cake. Moist, vibrant, and full of citrusy charm, it’s the perfect dessert for spring gatherings, summer parties, or simply when you’re craving something refreshingly sweet. This retro-inspired classic uses lemon-flavored gelatin to enhance both texture and flavor, making it a guaranteed crowd-pleaser.

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What Is Lemon Jell-O Cake?

Lemon Jell-O Cake is a soft, fluffy, lemon-flavored cake made using lemon cake mix and lemon gelatin (like Jell-O) for an extra punch of citrus. It’s typically topped with a simple lemon glaze that soaks into the warm cake, creating a deliciously moist texture. This vintage recipe has been a favorite for decades due to its simplicity and bold flavor.

Why You’ll Love It

Easy to Make: Starts with a cake mix and requires minimal prep.
Zesty & Refreshing: The lemon flavor is tangy, sweet, and uplifting.
Moist & Tender: Thanks to the Jell-O and lemon glaze.
Perfect for Any Occasion: Great for potlucks, birthdays, or a sunny weekend treat.
Freezer Friendly: Make it ahead and store it for future cravings.

Lemon Jell-O Cake Variations

Add Poppy Seeds: For a fun lemon-poppy twist.
Top with Berries: Fresh raspberries or blueberries balance the citrus beautifully.
Use Orange Gelatin: For a slightly different citrus experience.
Add a Cream Cheese Frosting: Instead of glaze, for a richer topping.

Serving Suggestions

Serve this cake:

Slightly warm or fully cooled.
With a dollop of whipped cream or scoop of vanilla ice cream.
Garnished with lemon zest or thin lemon slices for a beautiful finish.

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Ingredients

(Yields 12 Servings)

For the Cake:

1 (3-ounce) package lemon-flavored gelatin (such as Jell-O)
1 1/3 cups boiling water
1 (2-layer) lemon cake mix
3 large eggs
2/3 cup vegetable oil

For the Lemon Glaze:

1 1/2 cups powdered sugar
1/4 cup lemon juice (fresh is best!)
2 tablespoons heavy cream

How to Make Lemon Jell-O Cake

Step 1: Preheat & Prepare

Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking pan or line it with parchment paper.

Step 2: Dissolve the Jell-O

In a mixing bowl, combine the lemon gelatin with the boiling water. Stir until completely dissolved. Let it cool slightly.

Step 3: Make the Cake Batter

Add the cake mix, eggs, and oil to the bowl with dissolved gelatin. Beat with an electric mixer on medium speed for about 2 minutes, until smooth and creamy.

Step 4: Bake

Pour the batter into the prepared baking pan and smooth the top. Bake for 30–35 minutes or until a toothpick inserted in the center comes out clean.

Step 5: Prepare the Glaze

While the cake is baking, whisk together powdered sugar, lemon juice, and heavy cream until smooth.
Once the cake is out of the oven, poke holes all over the surface with a fork or skewer. Pour the glaze evenly over the warm cake, allowing it to soak in.

Step 6: Cool & Serve

Let the cake cool completely in the pan before slicing and serving.

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Make Ahead & Storage Tips

Make Ahead: Bake the cake and add the glaze, then refrigerate up to 2 days before serving.
Storage: Store leftovers in an airtight container in the fridge for up to 5 days.
Freezer Option: Wrap slices tightly in plastic wrap and freeze for up to 2 months.

Nutrition per Serving

Calories: 575
Total Fat: 16g
Saturated Fat: 3g
Total Carbohydrate: 105g
Cholesterol: 16mg
Protein: 5g
Dietary Fiber: 1g
Total Sugars: 70g
Sodium: 743mg
Potassium: 54mg
Calcium: 189mg

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

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Final Thoughts

Lemon Jell-O Cake is the perfect marriage of nostalgic charm and fresh citrus flavor. Its bright, moist texture and tangy glaze will keep your guests coming back for seconds. Whether you’re baking for a celebration or simply want to brighten your day, this cake delivers every time.
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