Double Chocolate Muffins (Costco Copycat Recipe)

Name: Double Chocolate Muffins (Costco Copycat Recipe)
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: American
Ingredients: 3 eggs; 1/2 cup canola oil; 1/2 cup milk; 1/4 cup water; 1 teaspoon vanilla; 1 cup sour cream; 1 package Devil’s food cake mix; 1 3.9 oz package instant chocolate pudding mix; 1/2 teaspoon cinnamon; 2 1/2 cups semisweet chocolate chips (divided)

Instructions

Prep:10minCook:20min

These homemade double chocolate muffins are just as rich and moist as the originals, but even better because they’re fresh from your own oven. With simple ingredients and a shortcut cake mix base, you’ll have bakery-style muffins in no time.

Updated at: Tue, 24 Feb 2026 02:05:08 GMT