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Cake Mix Blueberry Muffins

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Cake Mix Blueberry Muffins are soft, fluffy, and bursting with juicy blueberries. Using boxed cake mix makes them incredibly easy to prepare, delivering a bakery-style result with minimal ingredients and effort—perfect for breakfast, brunch, or snacking.

  • Author: Ella
  • Prep Time: 10 minutes
  • Cook Time: 18–22 minutes
  • Total Time: 30 minutes
  • Yield: 12 muffins
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

  • 1 box yellow or vanilla cake mix
  • 2 large eggs
  • 1/3 cup vegetable oil
  • 2/3 cup milk or water
  • 1 to 1 1/2 cups fresh or frozen blueberries
  • Optional: 1 tsp vanilla extract
  • Optional: 1 tsp lemon zest
  • Optional: coarse sugar for topping
  • Optional: 1 tbsp all-purpose flour (to coat berries if using frozen)

Instructions

  1. Preheat oven to 350°F (175°C) and line a muffin tin with paper liners or lightly grease it.
  2. In a large bowl, mix together the cake mix, eggs, oil, and milk (or water) until just combined.
  3. Add vanilla extract and lemon zest, if using.
  4. If using frozen blueberries, toss them in flour to prevent sinking and bleeding. Gently fold all blueberries into the batter.
  5. Divide batter evenly among muffin cups, filling each about ¾ full.
  6. Optionally, sprinkle coarse sugar or a few extra berries on top of each muffin.
  7. Bake for 18–22 minutes, or until tops are golden and a toothpick inserted into the center comes out clean.
  8. Let muffins cool in the pan for a few minutes before transferring to a wire rack to cool completely.

Notes

  • Customize with white chocolate chips, chopped nuts, or swap blueberries for raspberries.
  • Use spice or lemon cake mix for flavor variations.
  • To make mini muffins, reduce bake time to 10–12 minutes.
  • Muffins freeze well when individually wrapped.
  • Use non-dairy milk and dairy-free cake mix for a dairy-free option.

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