This spiced zucchini cake is a tender dessert that incorporates fresh vegetables into a sweet, aromatic treat. It is topped with a rich, velvety cream cheese frosting for a perfectly balanced flavor profile.

List of ingredients

3 cups zucchini, grated and undrained (about 2 medium zucchini) – provides essential moisture.
1 cup (200 g) granulated sugar – for sweetness and structure.
1 cup (200 g) light brown sugar, packed – adds a deep caramel flavor.
2 teaspoons ground cinnamon – the primary warming spice.
1/4 teaspoon ground nutmeg – adds a subtle nutty note.
1 1/4 cups vegetable oil – ensures a moist crumb.
4 large eggs, room temperature – binds the ingredients and provides lift.
2 teaspoons vanilla extract – enhances the overall aroma.
3 1/4 cups (406 g) all-purpose flour – the main structural base.
2 teaspoons baking soda – helps the cake rise.
1/2 teaspoon baking powder – provides additional leavening.
1 teaspoon kosher salt – balances the sweetness.
4 ounces cream cheese, room temperature – for the tangy frosting base.
1/2 cup (1 stick / 113 g) unsalted butter, room temperature – adds richness to the frosting.
2 cups (250 g) confectioners’ sugar – sweetens and thickens the topping.
1 1/2 tablespoons whole milk – adjusts frosting consistency.
1/2 teaspoon vanilla extract – flavors the cream cheese topping.

step-by-step instructions

Prepare Oven and Pan: Preheat your oven to 350°F. Grease a 9×13-inch baking dish with non-stick cooking spray to ensure the cake releases easily.
Combine Base Sugars and Spices: In a medium bowl, stir together the granulated sugar, light brown sugar, ground cinnamon, and nutmeg until well blended.
Mix in Wet Ingredients: Stir the vegetable oil into the sugar mixture. Add the vanilla extract and then whisk in the eggs one at a time, ensuring each is fully incorporated before adding the next.
Blend Dry Ingredients: In a separate mixing bowl, whisk together the all-purpose flour, baking soda, baking powder, and kosher salt.
Create Batter: Gradually combine the dry flour mixture with the wet sugar and egg mixture. Stir until the ingredients are just combined.
Fold in Vegetable: Using a rubber spatula, gently fold in the grated, undrained zucchini until evenly distributed throughout the batter.
Bake: Pour the batter into the prepared 9×13-inch pan. Bake for 60-65 minutes, or until a toothpick inserted into the center comes out clean with a few moist crumbs.
Cool: Remove the cake from the oven and allow it to cool completely on a wire rack before frosting.
Prepare Frosting Base: In a large mixing bowl, beat the room temperature cream cheese with a hand mixer on medium speed until smooth and creamy.
Incorporate Butter: Add the softened unsalted butter and continue beating on medium speed until the mixture is fully combined.
Add Final Frosting Ingredients: Mix in the confectioners’ sugar, whole milk, and vanilla extract. Start on low speed to prevent sugar from splashing, then increase to medium speed.
Finish and Frost: Beat until the frosting is smooth and fluffy. Use an offset spatula to spread the frosting evenly over the cooled cake, then cut into squares and serve.

Zucchini Selection and Preparation

Choosing Medium Zucchini for Optimal Moisture

Medium-sized zucchinis are ideal for this cake because they possess a balanced water content. Large zucchinis tend to be drier and more fibrous, while very small ones can be overly watery.

Grating Technique for Better Texture

Use the fine side of a box grater to shred the zucchini. This ensures the vegetable blends seamlessly into the cake batter without leaving large, noticeable chunks.

Avoiding the Drainage Process

Do not squeeze the liquid out of the grated zucchini for this specific recipe. The natural moisture from the vegetable is required to keep the cake tender and moist.

Baking Techniques for Success

Using Room Temperature Eggs

Ensure your eggs are at room temperature before mixing. This allows them to emulsify more effectively with the oil and sugar, resulting in a smoother batter and a better rise.

Preventing Overmixing the Batter

Stir the dry and wet ingredients only until they are combined. Overmixing develops too much gluten, which can lead to a tough or dense cake texture.

Accurate Doneness Testing

Use a toothpick or thin skewer to test the center of the cake. The toothpick should come out with a few moist crumbs attached, but no raw, wet batter should be visible.

The Importance of Complete Cooling

Allow the cake to cool entirely to room temperature before applying the frosting. If the cake is even slightly warm, the cream cheese frosting will melt and slide off.

Frosting Consistency and Quality

Softening Fats Properly

Butter and cream cheese must be soft but not melted. If they are too warm, the frosting will be runny; if too cold, it will be lumpy and difficult to spread.

Preventing Lumps in Sugar

Sift the confectioners’ sugar before adding it to the mixer. This removes clumps and ensures a professionally smooth frosting finish.

Adjusting Thickness with Milk

Add the milk one teaspoon at a time if the frosting feels too stiff. This allows you to reach a spreadable consistency without making the topping too thin.

Ingredient Substitutions

Replacing All-Purpose Flour

You can substitute up to half of the all-purpose flour with whole wheat pastry flour. This adds a nuttier flavor and increases the fiber content of the cake.

Using Alternative Oils

Melted coconut oil can be used in place of vegetable oil. Ensure the coconut oil is liquid but not hot when adding it to the egg mixture.

Substituting Brown Sugar

Coconut sugar is a suitable replacement for light brown sugar. It provides a similar molasses-like depth of flavor and maintains the cake’s moisture.

Dairy-Free Frosting Options

Replace the butter and cream cheese with plant-based, vegan alternatives. Use a dairy-free milk substitute, such as almond or soy milk, to adjust the consistency.

Flavor Variations and Add-ins

Adding Texture with Toasted Nuts

Fold in half a cup of chopped walnuts or pecans during the final mixing step. Toasting the nuts beforehand enhances their flavor and provides a pleasant crunch.

Integrating Dried Fruits

Dried cranberries or raisins can be folded into the batter. These add tartness and chewiness that complement the cinnamon and nutmeg spices.

Enhancing the Spice Profile

Add half a teaspoon of ground ginger or allspice for a more complex flavor. This transforms the cake into a richer spice cake while keeping the zucchini moisture.

Adding Brightness with Citrus

Zest one medium lemon and mix it into the batter. The citrus oils cut through the richness of the oil and cream cheese frosting.

Serving and Presentation

Slicing for Clean Edges

Use a sharp, serrated knife to cut the cake. Wiping the knife clean between each slice prevents the frosting from smearing across the sides of the cake pieces.

Decorative Garnish Ideas

Dust the top of the frosted cake with a light sprinkle of ground cinnamon. Alternatively, place a few toasted walnut halves on each slice for a professional look.

Recommended Beverage Pairings

This cake pairs well with a strong dark roast coffee or a hot Earl Grey tea. The bitterness of these drinks balances the sweetness of the cream cheese topping.

Storage and Preservation

Refrigeration Requirements

Because of the cream cheese and butter in the frosting, this cake must be stored in the refrigerator. Keep it in an airtight container to prevent it from absorbing other fridge odors.

Room Temperature Storage for Unfrosted Cake

If you choose not to frost the cake, it can be stored at room temperature in a sealed container for two to three days.

Optimal Container Selection

Use a glass airtight container or a cake carrier with a tight seal. This prevents the cake from drying out and keeps the frosting intact.

Freezing and Thawing Process

Freezing the Cake Base

Freeze the cake without the frosting for the best results. Wrap the cooled cake tightly in multiple layers of plastic wrap to protect it from freezer burn.

Using Freezer-Safe Packaging

Place the wrapped cake inside a heavy-duty freezer bag. Squeeze out as much air as possible before sealing the bag to ensure long-term freshness.

Proper Thawing Method

Thaw the frozen cake slowly in the refrigerator overnight. Once thawed, you can apply the cream cheese frosting fresh for the best taste and texture.

Troubleshooting Common Issues

Fixing a Sunken Center

A sunken center is often caused by overbeating the eggs or opening the oven door too frequently. Ensure you only check for doneness in the last ten minutes of baking.

Managing Excessly Moist Batter

If your zucchini was exceptionally watery, the batter may seem too thin. Add one tablespoon of flour at a time until the batter reaches a thick, droppable consistency.

Preventing Frosting Separation

If the frosting looks curdled, it may be because the cream cheese and butter were different temperatures. Gently warm the bowl over a pot of simmering water for a few seconds and beat again.

Frequently Asked Questions

Can I use a round cake pan instead of a 9×13-inch dish?

Yes, you can use two 8-inch or 9-inch round pans. Reduce the baking time to approximately 30-40 minutes and check for doneness frequently.

What is the fastest way to grate the zucchini?

Using a food processor with a grating disk attachment is the fastest method. Ensure you do not over-process, or the zucchini will turn into a puree.

Can I make this cake without vegetable oil?

You can substitute the oil with an equal amount of unsweetened applesauce. Note that this will result in a slightly denser texture and a different flavor profile.

Why is my cake too dense?

Density is usually caused by overmixing the flour or using expired baking soda. Always check the expiration date of your leavening agents to ensure a proper rise.

Moist Cinnamon Zucchini Cake with Cream Cheese Frosting

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Author: alyssabennett
Total Time: 95 minutes
Yield: 15 servings 1x
Diet: General

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Description

This cinnamon zucchini cake with cream cheese frosting tastes like a tender spice cake. It has plenty of zucchini to keep the cake moist and cinnamon for flavor! It’s topped with a thick cream cheese frosting.

Ingredients

Scale

3 cups zucchini, grated, undrained
1 cup granulated sugar
1 cup light brown sugar, packed
2 teaspoons ground cinnamon
¼ teaspoon ground nutmeg
1 ¼ cups vegetable oil
4 large eggs, room temperature
2 teaspoons vanilla extract
3 ¼ cups all-purpose flour
2 teaspoons baking soda
½ teaspoon baking powder
1 teaspoon kosher salt
4 ounces cream cheese, room temperature
½ cup unsalted butter, room temperature
2 cups confectioners’ sugar
1 ½ tablespoons whole milk
½ teaspoon vanilla extract

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Instructions

Step: Preheat oven to 350°F. Spray a 9×13-inch baking dish with non-stick cooking spray.
Step: To a medium bowl, add granulated sugar, brown sugar, cinnamon, and nutmeg. Stir to combine.
Step: Add the vegetable oil and mix until incorporated.
Step: Add vanilla.
Step: Add eggs, one at a time, whisking until combined before adding another egg.
Step: To a separate bowl, add the flour, baking soda, baking powder, and salt. Stir until incorporated.
Step: Combine the dry ingredients with the wet. Mix until combined.
Step: Using a rubber spatula, fold in the zucchini.
Step: Pour the batter into the prepared baking pan.
Step: Bake for about 60-65 minutes, or until a toothpick comes out clean with a few crumbs, but no wet batter.
Step: Remove from the oven and let cool completely.
Step: To a large mixing bowl, add the cream cheese. Beat with a hand mixer on medium speed until creamy.
Step: Add the butter and beat on medium until combined.
Step: Add the confectioners’ sugar, milk, and vanilla.
Step: Beat on low until the sugar is mostly worked in.
Step: Increase to medium speed and finish beating the confectioners’ sugar into the frosting.
Step: Using an offset spatula, spread the frosting on top of the cooled cake.

Notes

Store in an airtight container in the refrigerator for 3-4 days. Unfrosted cake lasts 2-3 days at room temperature. Freezing is possible without frosting for up to 2-3 months.

Prep Time: 35 minutes
Cook Time: 60 minutes
Category: Dessert
Method: Baking
Cuisine: American

Nutrition

Serving Size: 1 slice
Calories: 420 kcal
Sugar: 32 g
Sodium: 310 mg
Fat: 22 g
Saturated Fat: 9 g
Unsaturated Fat: 11 g
Trans Fat: 0 g
Carbohydrates: 48 g
Fiber: 2 g
Protein: 5 g
Cholesterol: 85 mg