I bake a lot of cakes, and this Lemon Bundt Cake is one I reach for when I want something bright, reliable, and impressive without fuss. It uses a boxed lemon cake mix and instant pudding to guarantee a tender, moist crumb, then gets a tangy cream-cheese frosting that keeps the lemon flavor front and center. It’s a crowd-pleaser, easy enough for a weeknight dessert and pretty enough for guests.

What I love about this recipe is the balance of convenience and texture: the boxed mix and pudding give structure and moisture, while sour cream and oil keep it rich. The glaze-like frosting is simple to make but packs a punch with added lemon extract and zest. If you follow a couple of timing and temperature rules, you’ll end up with a cake that slices cleanly and tastes fresh.

Below you’ll find a clear ingredient checklist, step-by-step directions taken from the recipe source, and practical tips for swaps, storage, and troubleshooting. Read through once, assemble your ingredients, and give yourself about two hours (including cooling) from start to finish.

Ingredient Checklist

1 standard-size package lemon cake mix — the base: provides structure and the primary lemon flavor; use the full package called for on the box.
1 cup sour cream — adds moisture and tenderness; regular/full fat works best for richness.
1 (3.4 oz) package instant lemon pudding mix (dry) — boosts lemon flavor and helps keep the cake moist; use the dry mix only.
1 cup oil — keeps the cake tender and moist; neutral-flavored oils work best.
4 eggs — provide structure and lift; bring to room temperature for best blending.
1/2 cup warm water — hydrates the mix and helps dissolve the pudding powder.
1 tablespoon lemon zest — fresh zest gives bright citrus aroma; zest before juicing lemons.
1 tsp pure lemon extract — amplifies lemon flavor; pure extract reads cleaner than imitation.
8 ounces package cream cheese, softened — the frosting base; should be fully softened to avoid lumps.
1/4 cup butter, softened (1/2 stick) — adds richness and spreads easily when softened.
2 teaspoons pure lemon extract — for the frosting’s lemon lift; keep the flavor consistent with the batter.
3 1/2 – 4 cups confectioners’ sugar — sweetens and thickens the frosting; add gradually to control consistency.
1-3 tbsp milk — adjusts frosting consistency; add sparingly, one tablespoon at a time.
1-3 tbsp lemon juice — brightens the frosting; use gradually to avoid over-thinning.
1 tablespoon lemon zest — fold most into the frosting for fresh lemon notes and reserve a small amount for garnish.

Lemon Bundt Cake Made Stepwise

Preheat oven to 350°F. Coat a 12-cup bundt pan or 10-inch fluted tube pan with nonstick cooking spray and dust lightly with flour, tapping out any excess.
In a large bowl, combine 1 standard-size package lemon cake mix and 1 (3.4 oz) package instant lemon pudding mix (dry). Add 1 cup sour cream, 1 cup oil, 4 eggs, 1/2 cup warm water, 1 tablespoon lemon zest, and 1 teaspoon pure lemon extract.
Beat the mixture with an electric mixer on low until the ingredients are well combined and smooth, scraping the bowl sides as needed (about 30–60 seconds).
Spoon the batter evenly into the prepared bundt pan and smooth the top.
Bake 50–55 minutes, or until a toothpick inserted into the center comes out clean. Remove from oven.
Let the cake cool in the pan on a wire rack for 15 minutes. After 15 minutes, invert the pan to release the cake onto the wire rack and let the cake cool completely (cooling may take 1–2 hours).
While the cake cools, make the frosting: In a medium bowl, beat 8 ounces softened cream cheese, 1/4 cup softened butter (1/2 stick), and 2 teaspoons pure lemon extract until light and fluffy.
Add 3 1/2 to 4 cups confectioners’ sugar, one cup at a time, mixing well after each addition, until the frosting is thick and mostly smooth.
Stir in 1 tablespoon milk and 1 tablespoon lemon juice and beat until smooth. If the frosting is too thick, add up to 2 additional tablespoons total of milk and/or lemon juice, one tablespoon at a time, mixing well after each addition, until you reach the desired consistency.
Reserve about 1 teaspoon of the remaining 1 tablespoon lemon zest for garnish, then fold the rest of that tablespoon of lemon zest into the frosting.
Once the cake is completely cool, spoon or spread the frosting over the bundt cake. It does not need to be perfectly covered—allow some to run down the sides if desired.
Sprinkle the reserved teaspoon of lemon zest on top for garnish (optional). Store the finished cake in the refrigerator.

Top Reasons to Make Lemon Bundt Cake

Fast and forgiving: Using a cake mix plus pudding shortens prep time but gives reliable moisture and texture.
Bright, balanced flavor: Lemon zest and extract in both batter and frosting deliver citrus that isn’t cloying.
Looks special with minimal effort: The bundt pan creates an attractive shape that feels celebratory.
Good for make-ahead: The cake stores well in the fridge, and frosting can be made ahead and chilled.
Great for varying occasions: Serve it for casual coffee, potlucks, or as a light dessert after a heavy meal.

Easy Ingredient Swaps

Sour cream → plain Greek yogurt (full-fat) for similar tang and moisture; use equal amounts.
Oil → melted, cooled butter for a slightly richer flavor; use same amount but expect a firmer crumb.
Confectioners’ sugar → powdered sugar is the same thing; sift if lumpy to keep frosting smooth.
Milk → cream or half-and-half for a richer frosting, or a non-dairy milk (almond/oat) to reduce dairy intensity.
Lemon extract → vanilla extract if you want a milder, more buttery frosting—reduce amount to taste.

Equipment at a Glance

12-cup bundt pan or 10-inch fluted tube pan — the recipe specifies these sizes for even baking.
Nonstick cooking spray and flour — for reliable pan release.
Electric mixer — speeds up mixing the batter and getting a smooth frosting.
Wire rack — essential for cooling the cake evenly and avoiding a soggy bottom.
Medium and large mixing bowls — keep batter and frosting workspaces separate and tidy.
Measuring cups and spoons — accurate measurements matter for texture here.

Mistakes Even Pros Make

Not prepping the pan thoroughly: Even with nonstick spray, flour the pan and tap out excess to prevent sticking in details of the bundt shape.
Baking too long or too short: Start checking at 50 minutes; a dry toothpick means overbaked, underbaked will collapse when inverted.
Frosting a warm cake: Adding frosting to anything but a completely cooled cake will cause melting and sliding—wait the full cooling time.
Overbeating the batter: The recipe calls for 30–60 seconds on low; overmixing can toughen the crumb by developing gluten.
Adding all liquids at once in frosting: Add milk and lemon juice sparingly; it’s easy to overshoot the texture you want.

Substitutions by Diet

Vegetarian: This recipe is vegetarian-friendly as written.
Dairy-free/Lactose-intolerant: Use dairy-free sour cream and a non-dairy cream cheese substitute, plus non-dairy milk for the frosting. Texture and tang will vary—taste and adjust lemon and sugar.
Gluten-free: Swap the boxed cake mix for a labeled gluten-free lemon cake mix and ensure the instant pudding is gluten-free. Baking time may change slightly—watch for doneness.
Egg-free: For an egg-free version, look for egg replacers designed for baking or commercial egg substitutes; however, results will vary more than other swaps. Expect a different crumb and possibly longer bake time.
Lower sugar: Reducing confectioners’ sugar will change the frosting texture; balance reductions by adding a bit more cream cheese/butter or using a tangier lemon component to keep flavor.

Little Things that Matter

Zest, don’t juice: Zest carries essential oils with aroma—zest before juicing so you don’t lose juice or mix up quantities.
Room temperature ingredients: Eggs and cream cheese at room temp incorporate more smoothly and produce a better texture.
Measure by intent: When the recipe says “warm water,” it means lukewarm—room temperature won’t dissolve pudding powder as readily.
Reserve garnish: The recipe calls for reserving about 1 teaspoon of zest for garnish—don’t fold it all in, or you’ll lose that fresh top note.
Loosen frosting carefully: If frosting becomes too thin, chill briefly to firm it rather than keep adding powdered sugar, which will over-sweeten.

Refrigerate, Freeze, Reheat

Refrigerate: The finished cake should be stored in the refrigerator (the source specifies refrigeration). Keep it covered with a cake dome or plastic wrap to avoid absorbing fridge odors. It will stay fresh for 3–5 days.
Freeze: For longer storage, freeze unfrosted slices or the whole cake wrapped tightly in plastic and foil. Freeze up to 2–3 months. Thaw overnight in the refrigerator before adding the frosting, or freeze already frosted in an airtight container for up to 1 month (texture may change).
Reheat: Serve chilled or at room temperature. If you prefer a slightly warmer slice, let a refrigerated slice sit at room temperature for 30–60 minutes before serving; avoid microwaving if frosted—the frosting will soften and can separate.

Lemon Bundt Cake FAQs

Can I use a different pan size? The recipe specifies a 12-cup bundt or 10-inch fluted tube pan. Smaller pans may overflow; larger pans can leave the cake shallow and overbaked. Stick to the recommended sizes for best results.
Why add instant pudding to a cake mix? The dry pudding mix adds moisture and a denser, more tender crumb. It’s a common trick for making a boxed mix taste homemade.
My cake stuck to the pan—what went wrong? Either the pan wasn’t greased/floured thoroughly, or the cake wasn’t cooled 15 minutes before inverting. Ensure you coat crevices and tap out excess flour.
Can I make the frosting less sweet? Use the lower end of the confectioners’ sugar range and add a touch more lemon juice for tang. Keep in mind that reducing sugar thins the frosting, so adjust with a bit more cream cheese/butter or chill to firm up.
How do I prevent the frosting from being lumpy? Beat softened cream cheese and butter until very smooth before adding sugar, and sift confectioners’ sugar if it’s clumpy. Add sugar gradually and mix well after each addition.

The Takeaway

This Lemon Bundt Cake is a dependable, bright dessert that balances convenience with great taste. The boxed cake mix and instant pudding make the base forgiving and moist, sour cream adds silkiness, and the lemon-forward cream-cheese frosting finishes it with a punch. Follow the stepwise directions, mind the cooling time, and don’t skip the pan prep—those small steps make a big difference. It’s a recipe that looks fancy but is genuinely simple, and once you try it, it’s easy to see why it becomes a go-to.

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Lemon Bundt Cake

A moist lemon bundt cake made from lemon cake mix and instant lemon pudding, topped with a cream cheese lemon frosting.

Prep Time15

Cook Time55

Total Time1 10

Servings: 16 servings

Ingredients

1 standard size package lemon cake mix
1 cupsour creamregular/full fat works best
1 3.4 ozsize package instant lemon pudding mixjust the dry mix!
1 cupoil
4 eggs
1/2 cupwarm water
1 tablespoonlemon zest
1 tsppure lemon extract
8 ouncespackage cream cheese softened
1/4 cupbuttersoftened 1/2 stick
2 teaspoonspure lemon extract
3 1/2 - 4 cupsconfectioners’ sugar
1-3 tbspmilk
1-3 tbsplemon juice
1 tablespoonlemon zest

Instructions

Preheat oven to 350°F. Coat a 12-cup bundt pan or 10-inch fluted tube pan with nonstick cooking spray and dust lightly with flour, tapping out any excess.
In a large bowl, combine 1 standard-size package lemon cake mix and 1 (3.4 oz) package instant lemon pudding mix (dry). Add 1 cup sour cream, 1 cup oil, 4 eggs, 1/2 cup warm water, 1 tablespoon lemon zest, and 1 teaspoon pure lemon extract.
Beat the mixture with an electric mixer on low until the ingredients are well combined and smooth, scraping the bowl sides as needed (about 30–60 seconds).
Spoon the batter evenly into the prepared bundt pan and smooth the top.
Bake 50–55 minutes, or until a toothpick inserted into the center comes out clean. Remove from oven.
Let the cake cool in the pan on a wire rack for 15 minutes. After 15 minutes, invert the pan to release the cake onto the wire rack and let the cake cool completely (cooling may take 1–2 hours).
While the cake cools, make the frosting: In a medium bowl, beat 8 ounces softened cream cheese, 1/4 cup softened butter (1/2 stick), and 2 teaspoons pure lemon extract until light and fluffy.
Add 3 1/2 to 4 cups confectioners’ sugar, one cup at a time, mixing well after each addition, until the frosting is thick and mostly smooth.
Stir in 1 tablespoon milk and 1 tablespoon lemon juice and beat until smooth. If the frosting is too thick, add up to 2 additional tablespoons total of milk and/or lemon juice, one tablespoon at a time, mixing well after each addition, until you reach the desired consistency.
Reserve about 1 teaspoon of the remaining 1 tablespoon lemon zest for garnish, then fold the rest of that tablespoon of lemon zest into the frosting.
Once the cake is completely cool, spoon or spread the frosting over the bundt cake. It does not need to be perfectly covered—allow some to run down the sides if desired.
Sprinkle the reserved teaspoon of lemon zest on top for garnish (optional). Store the finished cake in the refrigerator.

Equipment

12-cup bundt pan or 10-inch fluted tube pan
Nonstick Cooking Spray
Electric Mixer
Wire Rack
Medium Bowl

Notes

12. Sprinkle the reserved teaspoon of lemon zest on top for garnish (optional). Store the finished cake in the refrigerator.