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Featured Recipe

Blueberry Cake Bars Twist

Blueberry Cake Bars Twist

By Kate

A quick way from scratch to blueberry bars using boxed yellow cake mix instead of white; swapped vegetable oil for melted butter for richer texture. Half the crumbly dough pressed down, browned first; the rest sprinkled over sweetened blueberry sauce mixed with fresh lemon zest. Bake until golden edges and bubbling filling tell you it’s done. Drizzle tangy cream cheese glaze instead of simple sugar for extra depth. Recognize doneness by crust color and bubbling fruit, not just time. Handy swaps included for pantry gaps, plus tips to salvage too-soggy base or dry top. A real kitchen workhorse, simple but smart techniques deliver tactile and aromatic clues for scheduling and checking.
Prep: 20 min
Cook: 35 min
Total: 55 min
Serves: 24 servings
baking dessert blueberries cake
Introduction
Bars built on cake mix base. Simple but tricky to get right texture and crunch without soggy crust or dry top. Butter instead of oil transforms flavor, mouthfeel—worth the swap if you can. Adding lemon zest into filling brightens heavy sweetness, essential if using canned pie filling. Glaze swap with cream cheese adds smooth tang, cutting the saccharine. Baking in two stages; first the crust sets, seals from wet fruit, second atop topping crisps up. Visual clues guide—not just timer. Crisp browned edges, bubbling filling, not just wait and hope. Baking smells pick up early; makes kitchen hum. When you need reliable handheld fruit bars for crowd feeding or grab-and-go snacks. No fuss, no fancy pastry sheets, just solid, tested methods you can tweak.

Ingredients

  • 1 box yellow cake mix (approx 15.25 oz)
  • 3 large eggs
  • 3/4 cup unsalted butter, melted (or 3/4 cup vegetable oil)
  • 2 cups blueberry pie filling (can use homemade or store-bought)
  • zest of 1 lemon
  • 1 cup powdered sugar
  • 2 oz cream cheese, softened
  • 1-2 tablespoons milk
  • About the ingredients

    Cake mix stands in for flour, sugar, leavening—shortcut but watch for dry dough; slightly melted butter knits it better than oil, gives moist crumb and flavor dimension. Eggs bind, activate leavening. Blueberry pie filling can be swapped with cherry, apple, or peach—adjust sugar and zest accordingly. Fresh lemon zest crucial for cutting through canned filling sweetness and giving fresh vibe. Glaze swaps simple powdered sugar twist with cream cheese for acidity and creaminess—milk added sparingly to control drizzle texture. If no cream cheese, use vanilla yogurt or sour cream as last resort, thin with milk or lemon juice. Parchment over buttering pan prevents crust sticking, easing removal and cleanup.

    Method

  • Preheat oven to 355F. Grease or parchment-line a 9x13 pan. Butter gives richer crust, but oil works fine if need be.
  • In medium bowl, beat yellow cake mix, eggs, melted butter with hand mixer or stand. Mixture thick, crumbly, dough-like. If too dry, add splash milk.
  • Divide dough in half. Press one half firmly and evenly into the pan bottom, smooth with fingers or spatula, no bare spots. Pack it down; base must hold filling.
  • Bake base 18 minutes or until edges lightly browned, surface dry, not doughy or wet. Should smell buttery, toasted. Oven may vary, watch crust color.
  • Meanwhile, in small bowl, gently fold blueberry pie filling with lemon zest. Adds brightness, cuts sweetness, lifts aroma.
  • Spread blueberry mixture evenly over hot crust. Filling should sit slightly thick, not runny; if homemade or too watery, strain excess juice first.
  • Break reserved dough into uneven clumps, scatter over filling roughly. Leave some gaps, no flat layer. Creates texture, crunchy bits contrast soft fruit.
  • Return pan to oven. Bake another 15-20 minutes until top dough spots golden and filling edges bubble vigorously. Peek near crust edges for amber spots.
  • Remove bars. Cool completely in pan at room temp. Cooling sets filling, prevents cutting mess.
  • Whisk powdered sugar with softened cream cheese and 1 tablespoon milk for glaze; add milk gradually to reach thick but drizzly consistency.
  • Drizzle glaze zigzag over cooled bars. Let set five minutes, then slice into 24 squares with sharp knife, cleaning blade between cuts.
  • Serve at room temperature. Bars store airtight up to 3 days; excessive moisture from filling may soften crust overnight.
  • If crust soggy next day, toast individual bars in toaster oven at 350F for 5 minutes to crisp back up.
  • Technique Tips

    Press dough evenly and firmly to avoid fragile base that crumbles when cutting or serving. Tactile feedback: dough should feel like thick wet sand; too dry and it won’t bind, add a touch more melted butter or milk. Watch crust edges—not just time—to determine doneness; when golden and firm to the touch, it’s ready for filling. Baking filling after dough ensures bottom crust stays crisp, the contrast essential. Clumpy dough on top gives rustic look and varied texture—don’t smooth flat or you lose that bite contrast. Cooling bars fully helps filling gel and prevents messy cutting. Glaze consistency matters; too thin and it runs off, too thick and it drizzles poorly. Whisk carefully and test drips before applying. Sharp knife warmed slightly under hot water then dried cuts clean slices. Store airtight, but toast day-old bars to revive. Avoid soggy failures by not skipping first bake on dough base.

    Chef's Notes

    • 💡 Mix with hand or stand mixer—texture matters. Thick dough should hold up. If too crumbly, milk or butter helps bind. Watch for balance.
    • 💡 Press dough firmly in pan—no gaps allowed. Smooth the base. It needs to support the filling. Pack it down like wet sand.
    • 💡 Don’t skip the first bake, crucial for crisp crust. Check edges for golden color. Can smell buttery; gives great hints on doneness.
    • 💡 Filling thickness matters. Homemade? Strain excess liquid. Too runny? It will make base soggy. Watch closely; bubbles mean it's ready.
    • 💡 Glaze consistency must be right. Test it with drips off a whisk. Too thin? Runs off. Too thick? Doesn't drizzle well. Mix slowly.

    Kitchen Wisdom

    Want to swap fillings?

    Go for cherry, apple, peach. Adjust sugar and zest for acidity. Freshness is important.

    Bars too dry?

    Ensure dough is well mixed. Add a bit more melted butter or milk if dry. Check all steps carefully.

    What about storage?

    Airtight for up to 3 days. But the moisture from filling? Makes crust soft. Reheat in toaster oven.

    Soggy crust issue?

    First bake prevents this. If already soggy? Toast bars at 350F. Revives texture. Quick fix.

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