Skip to content
Etonp
Recipe index Latest Air fryer Slow cooker Desserts Dinners

Back to the recipe

Costco Double Chocolate Muffins (Rich, Moist & Jumbo Bakery Style!)

The recipe

Costco Double Chocolate Muffins

  • Prep15 minutes
  • Cook25 minutes
  • Total40 minutes
  • Servings12

Ingredients

  • 3 eggs
  • 1/2 cup oil
  • 1/2 cup milk
  • 1/4 cup water
  • 1 teaspoon vanilla
  • 1 cup plain greek yogurt
  • 1 15.25 ounce Devil’s food cake mix
  • 1 3.9 ounce package instant chocolate fudge pudding
  • 1/2 teaspoon cinnamon
  • 2 1/2 cups semisweet chocolate chips divided

Instructions

  1. Preheat your oven to 375 degrees.
  2. Line 12 jumbo muffin tins with jumbo liners.
  3. In a large bowl using an electric mixer combine the eggs, oil, milk, water and vanilla.
  4. Next whip in the sour cream.
  5. Using a spoon add the cake mix, dry pudding mix and cinnamon.
  6. Stir until well combined.
  7. Stir in 2 cups of chocolate chips.
  8. Fill the lined muffin tins and top with the remaining chocolate chips.
  9. Bake for 20-25 minutes until a toothpick comes out clean.
Etonp

Homemade recipes for weeknight dinners, holiday desserts, and the dishes people ask you to bring.

Cook

Recipe index Latest recipes Breakfast Appetizers Web stories

Kitchen

About the kitchen Cookbook Favorite tools Search recipes

Notes

Contact Privacy policy Terms Credits

© 2026 Etonp. All rights reserved.