Costco Pumpkin Streusel Muffin Recipe

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How to Make Costco Crumb Pumpkin Muffins 

Prepare The Spiced Pumpkin Batter

  1. Preheat the oven to 350 degrees.

  2. Line the muffin tin with muffin liners. Set aside. I use 6-count jumbo muffin tin and it needs jumbo liners!

  3. In a large bowl, add flour, salt, baking soda, pumpkin spice, and cinnamon. Whisk until combined.

  4. In a separate bowl, add the pumpkin, eggs, granulated sugar, sour cream, oil, and brown sugar to the flour mixture.  Mix together until just combined. 

  5. Divide the batter among the 6 muffin cups filling 2/3 of each cup with batter.

Make The Topping

  1. Combine the flour, butter, both types of sugar, and cinnamon in a small bow. Work the ingredients together with your fingers until it forms coarse crumbs.

  2. Break up the crumbs and sprinkle all over each muffin.

Bake And Serve

  1. Bake for 25-30 minutes or until the toothpick test comes out clean. 

  2. Remove and cool to room temperature.

  3. Before serving dust the tops with confectioner’s .

  4. Serve with whipped cream, vanilla ice cream, or maple icing.