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Blueberry muffin with a small bowl of blueberries.

Blueberry Muffins with Cake Mix

These blueberry muffins are soft, fluffy, and bursting with fresh, juicy berries. Made easy with a simple cake mix shortcut for a homemade taste in no time!🫐
Prep Time 10 minutes
Total Time 35 minutes
Course Breakfast, Snack
Cuisine American
Servings 12 servings

Equipment

  • rubber spatula
  • cookie scoop
  • wire rack

Ingredients
  

  • 1 15.25 oz yellow cake mix
  • Β½ teaspoon baking soda
  • ΒΌ teaspoon baking powder
  • 1 cup whole milk
  • β…“ cup vegetable oil (or melted butter)
  • 3 large eggs
  • 1Β½ cups fresh or frozen blueberries (do not thaw if frozen)
  • 1 tablespoon all-purpose flour (for tossing berries)

Optional Topping

  • 2 tablespoon coarse sugar

Instructions
 

  • Preheat the oven to 350℉. Line a 12-count muffin pan with paper liners or grease well.
  • In a large bowl, combine cake mix, baking soda, baking powder, milk, oil, and eggs. Mix until just combined. (Don't overmix.)
  • Toss the berries in a tablespoon of flour. (This helps prevent the berries from sinking). Gently fold them into the batter.
  • Fill the muffin cups about β…” full. Sprinkle with coarse sugar if desired.
  • Bake for 18-22 minutes, or until a toothpick inserted comes out clean.
  • Cool in the pan for about 5 minutes, then transfer to a wire rack.

Notes

Additional Recipe Notes for Blueberry Muffins with Cake Mix

  • Don’t Overmix the Batter – Stir just until the ingredients are combined. Overmixing can make the muffins dense and tough, instead of light and fluffy.
  • Fill Muffin Cups Evenly – For best results, fill each cup about β…” to ΒΎ full. This gives you nice domed tops without overflowing.
  • Resting the Batter (Optional) – Let the batter sit for 5–10 minutes before baking. This helps the flour fully hydrate and can give your muffins a better rise.
  • Bake in the Middle Rack – Ensures even heat circulation so the muffins bake up evenly golden without burnt bottoms.
  • Cool in Pan Briefly – Let muffins sit in the pan for 5 minutes before transferring to a wire rack. This prevents soggy bottoms but keeps them from breaking apart.
Keyword blueberry muffins, blueberry muffins with cake mix