Blueberry Pound Cake with Cake Mix | Cream Cheese + Pecans | Stays Moist 5 Days

Published on May 28, 2026 at 10:25 AM
Sliced blueberry pound cake in Bundt pan showing moist yellow crumb with fresh blueberries and pecans, dusted with powdered sugar on blue and white plate, cake mix and cream cheese recipe from NanaTee's Cajun Home

Baby, Nana brings this cake to every funeral, baby shower, Tuesday, and “just because” in Pearl River.

It came from the St. Tammany Parish church cookbook, 1992 edition. Yellowed page, butter stains, handwritten note: “Add pecans – from Louisiana or don’t bother.” Nana listened.

This ain’t your neighbor’s dry, crumbly pound cake. Cake mix + cream cheese makes it dense and moist like velvet. Blueberries from the Covington Farmers Market burst in every bite. Pecans give it that Louisiana crunch. And it stays moist 5 days on the counter – if it lasts that long with 7 grands + Pawpaw in the house.

You need one bowl, one Bundt pan and zero pastry chef skills.

Let’s bake.

Why This Blueberry Pound Cake is Nana’s Potluck Flex

`1. Cake mix shortcut: Duncan Hines Yellow + cream cheese = rich without measuring flour. Nana’s 57, not 27. We work smart.*

`2. Stays moist 5 days: Cream cheese + sour cream. Day 4 tastes like day 1. Mail it to kids in college and it still wins.

`3. Louisiana pecans: 1 cup toasted pecans = crunch + buttery flavor. If you skip ‘em, don’t tell Mama.

`4. Freezes whole: Wrap it up. Thaw. Looks like you baked all day. You didn’t.

`5. Feeds a crowd: 12-16 slices. Or 8 slices if Pawpaw gets there first.


Nana’s Blueberry Pound Cake Recipe

10-Pack Blueberry Recipe Cards: All 7 Blueberry recipes + 3 bonuses. Printable recipe cards: dump cake, cookies, pound cake, cobbler, muffins, bread pudding, soup + 3 more blueberry favorites.  Farmers market recipes. Instant download.

PREP TIME: 15 minutes
COOK TIME: 55-65 minutes
TOTAL TIME: 1 hour 20 minutes
SERVINGS: 12-16 slices

Shop Nana’s Blueberry Baking Essentials

INGREDIENTS:

  • 1 box yellow cake mix – Nana uses Duncan Hines, 15.25 oz
  • 1 package cream cheese, softened – 8 oz block, not tub
  • 1/2 cup sour cream – full fat. Nana’s not dieting at potluck
  • 1/2 cup vegetable oil
  • 1/2 cup sugar
  • 4 large eggs, room temp
  • 1 tsp vanilla extract
  • 1 tsp almond extract – makes blueberries sing
  • 1 1/2 cups fresh blueberries – or frozen, do NOT thaw
  • 1 cup pecans, chopped + toasted – Louisiana pecans only, sha
  • 2 Tbsp all-purpose flour – for tossing berries + nuts
  • Powdered sugar – for dusting

For the pan: 1 Tbsp butter + 2 Tbsp flour, or Baker’s Joy spray

INSTRUCTIONS:

Step 1: Prep Pan + Oven
Preheat oven to 325°F. Not 350°F. Low and slow = no dry cake. Grease 10-cup Bundt pan with butter and dust with flour. Or spray with Baker’s Joy. Get in every nook. Nana’s lost cake to a sticky pan before. Never again.

Step 2: Toast Pecans
Put 1 cup chopped pecans on sheet pan. 5 min at 325°F while oven heats. Smell nutty? Pull ‘em. Cool. This is the “Louisiana Twist” – don’t skip it.

Step 3: Mix Batter
In large bowl or stand mixer, beat cream cheese till smooth. Add cake mix, sour cream, oil, sugar, eggs, vanilla, almond extract. Beat 2 minutes medium speed. Scrape bowl. Batter will be thick like cheesecake. That’s right.

Step 4: Berry + Nut Trick
In small bowl, toss 1 1/2 cups blueberries + toasted pecans with 2 Tbsp flour. This keeps them from sinking. Gently fold into batter with spatula. 3-4 folds. Some purple streaks are fine. Overmix = tough cake.

Step 5: Bake
Pour into Bundt pan. Smooth top. Tap pan on counter 2 times to release bubbles. Bake 55-65 min. Toothpick should come out with moist crumbs, not wet batter. Top will be golden brown. House will smell like Heaven's Bakery.

Step 6: Cool – Nana’s Hardest Part
Cool in pan 15 min EXACTLY. Set a timer. Too soon = cake breaks. Too long = sticks. Invert onto rack. Cool 1 hour more. Dust with powdered sugar before serving. Nana uses this tea strainer for even dusting.


Nana’s Rules So Your Cake Don’t Flop

Cake stuck in Bundt pan

You didn’t grease every nook. Use Baker’s Joy next time. If it sticks now, serve it in chunks as “Blueberry Trifle.” Nobody knows.

All berries sank

Forgot flour toss. Or batter too thin. Use room temp cream cheese, not melted.

Dry cake

You baked at 350°F or used fat-free sour cream. Use full-fat. Overbaked past 65 min.

Pale, gummy cake

Cake mix was expired. Check dates. Or oven runs cold – get thermometer.

No pecans

Mama’s judging you. Use walnuts in emergency. But write “Louisiana pecans” on your grocery list.

Shop Nana’s Blueberry Baking Essentials

How to Store

`Counter: Cover with cake dome or foil. Keeps 5 days. Gets more moist day 2. If your house is hot, fridge after day 3.*

`Fridge: 1 week wrapped tight. Let slice sit 10 min before eating or microwave 10 sec. Cold pound cake = sad pound cake.

`Freezer: Cool completely. Wrap whole cake in plastic + foil. Or slice + freeze between wax paper. 3 months. Thaw overnight on counter. Dust fresh powdered sugar before serving.

`Nana’s Prep: Bake 2 in November. Freeze both. 


When Nana Serves Blueberry Pound Cake

*Funerals:* Bring with coffee. It’s Southern comfort law.

Baby Showers: Pink/blue sprinkles on top. 

*Christmas Morning:* Bake Dec 23. Serve Dec 25 with coffee while grands open presents.

Tuesday: Because Pawpaw looked at Nana sad. Cake fixes everything.


`From Nana’s Kitchen: This recipe has been in every Louisiana church cookbook since cable TV was invented. The cake mix keeps it easy. The cream cheese keeps it moist. The pecans keep it Louisiana. The blueberries keep Pawpaw out of Nana’s business for 10 minutes while he eats.

Shop Nana’s Blueberry Baking Essentials

`Tell Nana: Cake mix brand? Did you toast the pecans? How many slices did Pawpaw “test”? Comment below.

 

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