Decadent Carrot Cake Bars Frosting

Featured in Delicious Desserts.

These carrot cake bars combine rich spice flavors with tender shredded carrots, resulting in a moist, chewy base. Optional walnuts or raisins bring added texture, making each bite interesting. Once cooled, a generous layer of creamy, tangy cream cheese frosting is spread over the bars, adding sweetness and a touch of luxury. Enjoy these sweet bars at gatherings, for dessert, or as a special treat. They store well and can be customized with nuts or fruit for extra flavor and crunch.

Clare Greco
Updated on Fri, 16 May 2025 22:12:28 GMT
A square piece of cake with a white frosting. Pin it
A square piece of cake with a white frosting. | recipesim.com

These luscious carrot cake bars deliver everything you love about classic carrot cake in a fuss-free format that is perfect for potlucks or cozy coffee breaks. Moist and warmly spiced with every bite, the creamy tang of the cream cheese frosting means these bars disappear fast at any family gathering or holiday treat table.

My family could not believe their first batch was not from a fancy bakery It quickly became the most requested treat for birthday brunches and lazy Sundays.

Ingredients

  • All-purpose flour: ensures sturdy yet soft bars Use freshly purchased flour for the best rise
  • Baking powder and baking soda: for reliable leavening Choose fresh baking agents for the fluffiest bars
  • Salt: enhances the warm spices and balances out sweetness Use fine sea salt for even flavor
  • Ground cinnamon: brings warmth and classic carrot cake flavor Pick Ceylon cinnamon if you can find it for a subtle floral note
  • Ground nutmeg: for extra cozy depth Always grate whole nutmeg if you want maximum aroma
  • Ground ginger (optional): adds a bit of kick Use fresh and fragrant ground ginger for the brightest flavor
  • Vegetable oil: makes these bars tender and moist Use a neutral oil to avoid overpowering the spices
  • Granulated sugar: for sweetening and structure Make sure sugar is lumpfree
  • Brown sugar: for extra moisture and deep molasses undertones Choose dark or light depending on richness preference
  • Eggs: for binding and structure Farm fresh eggs always give the best color and lift
  • Vanilla extract: to boost all the other warm flavors Use real vanilla not imitation for best taste
  • Finely shredded carrots: give signature color sweetness and texture Freshly grated carrots are a must not prepackaged
  • Chopped walnuts or pecans (optional): add crunch and nutty flavor Toast before adding for even more flavor
  • Raisins (optional): bring chewy sweetness Try golden raisins for a pop of color
  • Cream cheese (softened): for the frosting Choose a full fat block style for smooth texture
  • Unsalted butter (softened): adds richness to the frosting Go for the best quality you can find
  • Powdered sugar: provides that fluffy sweet creaminess Sift before using for extra smoothness
  • Vanilla extract (for frosting): real vanilla rounds out the tangy topping

Step-by-Step Instructions

Preheat the Oven:
Heat your oven to 350°F or 175°C and get a 9 by 13 inch baking pan ready by greasing and lining it with parchment paper This prevents sticking and ensures clean edges when you cut the bars
Mix the Dry Ingredients:
In a medium bowl vigorously whisk together flour baking powder baking soda salt cinnamon nutmeg and ginger if using Whisking aerates and evenly distributes all the leaveners and spices
Combine the Wet Ingredients:
In a large bowl whisk together vegetable oil granulated sugar brown sugar eggs and vanilla extract Aim for a smooth glossy mixture with no visible streaks or clumps This step is key for a tender crumb
Incorporate the Carrots and Dry Ingredients:
Gently fold the dry ingredient mixture into the wet mixture just until you see no dry streaks Be careful not to overmix or your bars can turn dense Add in the finely shredded carrots and your choice of nuts and raisins if using Fold gently to keep the batter fluffy
Bake the Bars:
Spread the thick carrot cake batter evenly into your prepared pan Bake for 25 to 30 minutes A toothpick inserted into the center should come out clean with maybe a crumb or two attached Let the bars cool completely in the pan This helps the flavor develop and prevents crumbly edges
Prepare the Frosting:
In a mixing bowl beat the cream cheese and butter together until the texture is completely smooth You want no lumps Gradually add sifted powdered sugar and vanilla extract Keep beating until the frosting is light fluffy and easy to spread
Frost the Bars:
Once the carrot cake bars are totally cool dollop the frosting all over the surface Use a spatula or knife to create decorative swirls or a perfectly smooth finish
Serve:
Cut the frosted slab into even squares and transfer to a serving platter Enjoy immediately or stash leftovers in the fridge in an airtight container
A slice of cake with white frosting. Pin it
A slice of cake with white frosting. | recipesim.com

Storage Tips

Store the frosted bars in a tightly sealed container in the refrigerator for up to five days Layers of wax paper between the bars help keep the frosting pristine If preparing ahead freeze the unfrosted bars and frost right before serving for best texture

Ingredient Substitutions

Swap half of the oil with unsweetened applesauce for a lighter version No nuts Use pumpkin seeds or leave them out entirely For dairy free try a plant based cream cheese and margarine in the frosting If you are out of brown sugar simply use all white sugar though the bars will be a bit less rich

Serving Suggestions

Serve these bars chilled for a firmer bite or at room temperature for creamier frosting They are wonderful with fresh berries or a dusting of cinnamon Feel free to add orange zest to the frosting for a burst of sunshine flavor

A Little Carrot Cake History

Carrot cakes became popular in America during wartime rationing when sugar was scarce and carrots provided natural sweetness Nowadays it has become a beloved classic for spring celebrations birthdays and cozy gatherings

A slice of cake with white frosting. Pin it
A slice of cake with white frosting. | recipesim.com

Frequently Asked Questions

→ How do I keep carrot cake bars moist?

Use freshly grated carrots and avoid overbaking. The oil in the batter also helps maintain moisture.

→ Can I add nuts or raisins to the bars?

Absolutely. Chopped walnuts, pecans, or raisins make delightful add-ins for extra texture and flavor.

→ How long will they stay fresh?

Store them in an airtight container in the refrigerator for up to 5 days. They also freeze well unfrosted.

→ Can I use less sugar in the frosting?

You can reduce powdered sugar to suit your taste, though this may change the texture slightly.

→ What can I use instead of oil?

For a lighter option, replace half the oil with unsweetened applesauce without sacrificing moistness.

→ How do I get silky-smooth cream cheese frosting?

Ensure both cream cheese and butter are softened, and beat well before adding powdered sugar gradually.

Decadent Carrot Cake Bars Frosting

Moist, spiced carrot cake bars crowned with smooth cream cheese frosting. Perfect for gatherings or snacking.

Prep Time
20 Minutes
Cook Time
30 Minutes
Total Time
50 Minutes

Category: Delicious Desserts

Difficulty: Intermediate

Cuisine: American

Yield: 12 Servings (12 bars)

Dietary: Vegetarian

Ingredients

→ Carrot Cake Bars

01 190 g all-purpose flour
02 1 teaspoon baking powder
03 0.5 teaspoon baking soda
04 0.5 teaspoon salt
05 1 teaspoon ground cinnamon
06 0.25 teaspoon ground nutmeg
07 0.25 teaspoon ground ginger (optional)
08 120 ml vegetable oil
09 100 g granulated sugar
10 100 g brown sugar, packed
11 2 large eggs
12 1 teaspoon vanilla extract
13 150 g finely shredded carrots
14 60 g chopped walnuts or pecans (optional)
15 75 g raisins (optional)

→ Cream Cheese Frosting

16 225 g cream cheese, softened
17 57 g unsalted butter, softened
18 240 g powdered sugar
19 1 teaspoon vanilla extract

Instructions

Step 01

Preheat oven to 175°C. Grease and line a 22 x 33 cm baking pan with parchment paper.

Step 02

In a medium bowl, whisk together the flour, baking powder, baking soda, salt, cinnamon, nutmeg, and ginger.

Step 03

In a large bowl, whisk vegetable oil, granulated sugar, brown sugar, eggs, and vanilla extract until smooth.

Step 04

Add dry mixture to wet ingredients and stir until just combined. Gently fold in shredded carrots, nuts, and raisins if using.

Step 05

Spread the batter evenly in the prepared pan. Bake for 25–30 minutes until a toothpick inserted in the center emerges clean. Allow to cool completely in the pan.

Step 06

In a bowl, beat cream cheese and butter until smooth. Gradually mix in powdered sugar and vanilla. Beat until light and fluffy.

Step 07

Spread frosting evenly over cooled bars and create decorative swirls if desired.

Step 08

Cut into 12 squares and serve. Store leftovers in an airtight container in the refrigerator for up to 5 days.

Notes

  1. For a lighter option, substitute half the oil with unsweetened applesauce.
  2. Enhance the frosting with orange zest for a citrus flavor.
  3. Bars freeze well unfrosted; frost after thawing.

Tools You'll Need

  • Oven
  • 22 x 33 cm baking pan
  • Mixing bowls
  • Whisk
  • Spatula
  • Hand mixer or stand mixer
  • Parchment paper

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains wheat (gluten)
  • Contains eggs
  • Contains milk (dairy)
  • Contains tree nuts (if used)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 370
  • Total Fat: 18 g
  • Total Carbohydrate: 46 g
  • Protein: 5 g