Cake in a Jar Recipe is a delightful way to enjoy dessert in a fun and portable format. These charming treats are perfect for all occasions, whether it’s a birthday party, holiday celebration, or simply a sweet gift for someone special. The beauty of Cake in a Jar lies in its customization; you can mix and match flavors and toppings to suit your taste. Plus, they are easy to make and even easier to share!
Why You’ll Love This Recipe
- Fun Presentation: Cake in a jar offers a unique twist on traditional desserts, making them visually appealing.
- Portability: Perfect for on-the-go snacking or gatherings, you can take these jars anywhere.
- Customizable Flavors: Easily modify the cake layers or toppings to suit any palette.
- Great for Gifting: A thoughtful homemade gift idea that shows you care.
- Easy to Make: Simple ingredients and straightforward steps make this recipe accessible for everyone.
Tools and Preparation
Before diving into making your Cake in a Jar, gather your tools. Having everything ready will streamline the process and ensure you have fun!
Essential Tools and Equipment
- Mason jars (or any small jars with lids)
- Mixing bowls
- Electric mixer or whisk
- Measuring cups and spoons
- Rubber spatula
- Baking sheet
Importance of Each Tool
- Mason jars: These are essential for presenting your cake beautifully while keeping it fresh.
- Electric mixer: Saves time and effort when mixing ingredients, ensuring a fluffy cake batter.

Ingredients
To create your delicious Cake in a Jar, you’ll need the following ingredients:
For the Cake
- 1 ¼ cup all-purpose flour
- 2 tbs cornstarch
- ½ tsp salt
- 1 tsp baking powder
- ½ cup unsalted butter (room temperature)
- ¾ cup granulated sugar
- 2 large egg whites (room temperature)
- 2 tbs canola oil
- ⅓ cup milk (room temperature)
- 1 tsp vanilla
- ¼ cup rainbow sprinkles
For the Frosting
- 1 stick unsalted butter (omit added salt if using salted butter)
- 1.5-2 cups powdered sugar
- ½ tsp vanilla
- 1-2 tablespoons milk or cream
- Pinch salt
How to Make Cake in a Jar Recipe
Step 1: Prepare Your Jars
Start by washing the mason jars thoroughly. Ensure they are completely dry before using them.
Step 2: Preheat the Oven
Preheat your oven to 350°F (175°C). This ensures your cakes bake evenly.
Step 3: Mix Dry Ingredients
In a mixing bowl, combine:
* 1 ¼ cup all-purpose flour
* 2 tbs cornstarch
* ½ tsp salt
* 1 tsp baking powder
Whisk until well combined.
Step 4: Cream Butter and Sugar
In another bowl, beat together:
* ½ cup unsalted butter (room temperature)
* ¾ cup granulated sugar
Use an electric mixer until light and fluffy.
Step 5: Add Wet Ingredients
Add:
* 2 large egg whites (room temperature)
* 2 tbs canola oil
* ⅓ cup milk (room temperature)
* 1 tsp vanilla
Mix until fully incorporated.
Step 6: Combine Mixtures
Gradually add the dry mixture into the wet mixture. Stir gently until just combined. Fold in:
* ¼ cup rainbow sprinkles
Step 7: Bake the Cakes
Spoon the batter into mason jars, filling them about halfway. Place them on a baking sheet and bake for about 15 minutes or until a toothpick comes out clean.
Step 8: Make the Frosting
While the cakes cool, prepare the frosting by beating:
* 1 stick unsalted butter
Gradually add:
* 1.5-2 cups powdered sugar
Then add:
* ½ tsp vanilla
Finally, mix in:
* 1-2 tablespoons milk or cream
Beat until creamy and smooth.
Step 9: Assemble Your Jars
Once cooled, pipe or spoon frosting onto each cake layer in the jar. You can alternate layers of cake and frosting as desired.
Step 10: Seal and Serve
Put lids on your jars once assembled. These treats can be enjoyed immediately or stored in the fridge for later!
Now you’re ready to enjoy delicious Cake in a Jar! Perfect for sharing or savoring alone!
How to Serve Cake in a Jar Recipe
Serving Cake in a Jar is a delightful way to enjoy this versatile dessert. These individual portions are perfect for any occasion, from casual gatherings to elegant celebrations.
Individual Treats
- Each jar can be served as a personal dessert, making it easy for guests to enjoy their portion without the need for slicing.
Gift Ideas
- Cake in a Jar makes an excellent gift. Personalize jars with labels or tags for birthdays, holidays, or special occasions.
Party Favors
- These jars work beautifully as party favors. Guests will appreciate taking home a delicious treat that’s both fun and portable.
Layered Desserts
- Create stunning layers by alternating cake and frosting within the jars. This adds visual appeal and enhances flavor combinations.
Themed Decorations
- Decorate the jars according to themes—use festive colors for holidays or specific motifs for birthdays to make them more special.
How to Perfect Cake in a Jar Recipe
Perfecting your Cake in a Jar requires attention to detail and some helpful tips. Here are some ways to ensure your dessert turns out wonderfully every time.
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Use Room Temperature Ingredients: Make sure your butter, eggs, and milk are at room temperature for better mixing and texture.
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Don’t Overmix Batter: Mix just until combined to avoid a dense cake. Overmixing can lead to tough textures.
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Choose the Right Jars: Use wide-mouth mason jars for easier filling and eating. They also allow for better layering of cake and frosting.
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Cool Completely Before Frosting: Allow the cake layers to cool fully before adding frosting. This prevents melting and ensures neat layers.
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Experiment with Flavors: Feel free to add flavors like chocolate chips or fruit purees into the batter for unique variations.
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Seal Properly: If you’re storing the jars, ensure they’re sealed tightly. This keeps the cake fresh longer, especially if made ahead of time.
Best Side Dishes for Cake in a Jar Recipe
Pairing side dishes with your Cake in a Jar can enhance the overall experience. Here are some delicious options that complement this sweet treat perfectly.
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Fresh Fruit Salad: A mix of seasonal fruits adds freshness and balance to the sweetness of the cake.
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Ice Cream: Vanilla or chocolate ice cream creates a classic pairing that many love. Serve it alongside or on top of the jarred cake.
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Whipped Cream: Light whipped cream offers a fluffy contrast to the dense cake layers, making each bite even more enjoyable.
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Chocolate Dipped Strawberries: These sweet treats add an elegant touch and provide an extra layer of indulgence.
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Cheese Platter: A selection of soft cheeses can help balance flavors; think creamy brie or tangy goat cheese that contrasts with dessert.
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Mini Cookies: Serve small cookies on the side for an added crunch and variety in texture alongside your jar cakes.
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Nut Mix: A handful of seasoned nuts can offer a savory crunch that pairs nicely with sweet desserts like Cake in a Jar.
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Coffee or Tea: A warm beverage complements desserts well, providing comfort while enhancing flavors in each bite of cake.
Common Mistakes to Avoid
Making a Cake in a Jar can be fun, but some common mistakes can affect your results. Here are the most frequent errors and how to avoid them.
- Not measuring ingredients accurately: Precision is key in baking. Use measuring cups and spoons to ensure your ingredients are correct.
- Overmixing the batter: Mixing too much can lead to dense cake. Mix until just combined for a light texture.
- Ignoring room temperature ingredients: Cold eggs or butter can affect the batter’s consistency. Always let your ingredients sit out for about 30 minutes before use.
- Skipping the cooling time: Allow the cake layers to cool completely before assembling in jars. This prevents melting frosting and soggy layers.
- Using the wrong jar size: Ensure you use jars that fit your portions well. Too large or small jars can change baking times and aesthetics.

Storage & Reheating Instructions
Refrigerator Storage
- Store your Cake in a Jar in an airtight container.
- It will last for up to 5 days in the refrigerator.
Freezing Cake in a Jar Recipe
- For longer storage, freeze individual jars with lids tightly sealed.
- They can be frozen for up to 2 months.
Reheating Cake in a Jar Recipe
- Oven: Preheat oven to 350°F (175°C). Remove metal lids and place jars on a baking sheet. Heat for about 10-15 minutes.
- Microwave: Remove the lid and heat each jar on medium power for 20-30 seconds. Check if warm, then heat more if needed.
- Stovetop: Place jars in a pot with water, cover, and gently heat on low for about 5-10 minutes until warmed through.
Frequently Asked Questions
Here are some frequently asked questions regarding the Cake in a Jar Recipe.
What is a Cake in a Jar Recipe?
A Cake in a Jar Recipe is a portable dessert that layers cake and frosting inside jars, making it perfect for gifts or parties.
How do I customize my Cake in a Jar Recipe?
You can customize flavors by adding extracts, using different sprinkles, or incorporating fruit layers between cake and frosting.
Can I make this Cake in a Jar Recipe ahead of time?
Yes! You can prepare it up to three days in advance and store it properly in the fridge or freezer.
What types of frosting work best with this recipe?
Buttercream is ideal due to its stability. Cream cheese frosting also works well but may require refrigeration sooner.
Final Thoughts
The Cake in a Jar Recipe is not only delicious but also versatile. You can play around with flavors and decorations to suit any occasion. Try this fun dessert idea today, whether it’s for yourself or as a thoughtful gift!
Cake in a Jar
Indulge in the delightful experience of making a Cake in a Jar! This charming dessert offers layers of moist cake and creamy frosting, all beautifully presented in portable jars. Ideal for any celebration or as a thoughtful gift, these customizable treats allow you to mix and match flavors and toppings according to your preferences. With simple ingredients and straightforward steps, you’ll have a fun baking project that’s perfect for sharing with friends and family. Whether you’re hosting a party or simply craving something sweet, Cake in a Jar is the perfect solution to satisfy your dessert desires!
- Prep Time: 20 minutes
- Cook Time: 15 minutes
- Total Time: 35 minutes
- Yield: Approximately 4 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
- 1 ¼ cup all-purpose flour
- 2 tbs cornstarch
- ½ tsp salt
- 1 tsp baking powder
- ½ cup unsalted butter (room temperature)
- ¾ cup granulated sugar
- 2 large egg whites (room temperature)
- 2 tbs canola oil
- ⅓ cup milk (room temperature)
- 1 tsp vanilla
- ¼ cup rainbow sprinkles
- 1 stick unsalted butter
- 1.5–2 cups powdered sugar
- ½ tsp vanilla
- 1–2 tablespoons milk or cream
- Pinch salt
Instructions
- Preheat the oven to 350°F (175°C) and prepare mason jars by washing and drying them.
- In one bowl, whisk together flour, cornstarch, salt, and baking powder.
- In another bowl, cream the butter and sugar until light and fluffy.
- Add egg whites, canola oil, milk, and vanilla to the butter mixture; mix until well combined.
- Gradually incorporate the dry ingredients into the wet mixture; fold in rainbow sprinkles.
- Spoon batter into jars, filling halfway, and place on a baking sheet. Bake for about 15 minutes or until a toothpick comes out clean.
- Allow cakes to cool before adding frosting made from creamed butter, powdered sugar, milk, and vanilla.
Nutrition
- Serving Size: 1 jar cake (160g)
- Calories: 360
- Sugar: 28g
- Sodium: 180mg
- Fat: 16g
- Saturated Fat: 10g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 50g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 45mg



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