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–+ servings
Coffee Cake Muffins on a wood cutting board.

Coffee Cake Muffins

Treat yourself to these yummy breakfast muffins with cinnamon crumb topping ... they make a wonderful treat to pair with your morning coffee!
Prep Time20 minutes
Cook Time20 minutes
Total Time40 minutes
Course: Bread
Cuisine: American
Servings: 16 muffins
Calories: 360kcal
Author: Ginnie

Ingredients

For Crumb Topping:

  • ½ cup granulated sugar
  • ½ cup packed brown sugar
  • 1 teaspoon cinnamon
  • ¼ teaspoon kosher salt
  • 10 tablespoons salted butter, melted and slightly cooled
  • 1 ¾ cups flour

For Muffins:

  • nonstick cooking spray
  • 1 ¾ cups flour
  • ¼ cup cornstarch
  • 1 tablespoon baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon kosher salt
  • 2 large eggs
  • 1 cup sour cream
  • ⅔ cup granulated sugar
  • 8 tablespoons salted butter, melted
  • 1 teaspoon vanilla extract

For Glaze:

  • ½ cup powdered sugar
  • 2 teaspoons whole milk
  • ½ teaspoon vanilla extract

Instructions

  • Preheat oven to 350°F (175°C).

Prepare Crumb Topping:

  • Whisk together granulated sugar, brown sugar, cinnamon, and salt.
  • Stir in butter.
  • Mix in flour, stirring until well combined. Set aside.

Prepare Muffins:

  • Spray a muffin tin with nonstick spray. Then line the pan with cupcake liners.
  • Whisk together flour, cornstarch, baking powder, baking soda, and salt in a large bowl.
  • In a separate bowl, whisk together eggs, sour cream, sugar, butter, and vanilla extract.
  • Add wet ingredients to dry ingredients, then fold together with a spatula until just combined. Do not over mix.
  • Fill cupcake liners ⅔ full with batter. Do not overfill; you should have 16 muffins total.
  • Crumble crumb topping over muffins, gently pressing it into the batter.
  • Bake muffins for 15 to 20 minutes, or until a toothpick inserted in the center comes out clean. (Bake the muffins in batches, if needed.)
  • Let muffins cool for 10 to 15 minutes before serving.

Prepare Glaze:

  • While muffins are cooling, whisk together powdered sugar, milk, and vanilla extract until smooth.
  • Drizzle glaze over muffins, then serve. Enjoy!

Notes

Store leftover muffins in an air-tight container or freeze until ready to eat.
Check out the info before this recipe card for helpful tips, serving suggestions, and more!

Nutrition

Calories: 360kcal
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