Costco Muffins - Copycat

Total Time
10 mins
20 mins

Found on the net and posted so that it will be easier to find when folks ask for the recipe! Prep times are guess-timates.

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  • 1 (18 ounce) box cake mix, package (Duncan Hines is the best)
  • 2 tablespoons flour
  • 3 eggs
  • 23 cup milk
  • 13 cup vegetable oil
  • 1 teaspoon baking powder


  1. Mix all ingredients together.
  2. Spoon into prepared muffin cups.
  3. Bake at 375 for approximately 20 minutes or until tops are lightly browned.
  4. For ALMOND POPPYSEED MUFFINS: use a white cake mix, add 2 teaspoons poppyseeds, and 1 tsp almond extract.
  5. FOR CHOCOLATE MUFFINS: use a chocolate cake mix and stir in 1 1/2 cup chocolate chips.
  6. Create your own: use whatever flavor cake mix you want and add your own goodies.
  7. Other suggestions:.
  8. + French vanilla cake mix and fresh raspberries.
  9. + Lemon cake mix and poppyseed.
  10. + Spice cake mix with cinnamon/sugar topping.