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Cinnamon Streusel Coffee Cake Muffins

Close-up of a golden brown coffee cake muffin topped with a generous cinnamon streusel topping.

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Moist and tender coffee cake muffins topped with a generous cinnamon streusel and an optional sweet glaze. Perfect for brunch or a weekday treat.

Ingredients

Scale
  • 1 ½ cups all-purpose flour
  • 1 cup granulated sugar
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • ½ teaspoon ground cinnamon
  • ½ cup unsalted butter, softened
  • 2 large eggs
  • ½ cup buttermilk
  • 1 teaspoon vanilla extract
  • For the Streusel Topping:
  • ½ cup all-purpose flour
  • â…“ cup packed brown sugar
  • 1 teaspoon ground cinnamon
  • ¼ cup unsalted butter, cold and cubed
  • For the Glaze (Optional):
  • 1 cup powdered sugar
  • 23 tablespoons milk
  • ½ teaspoon vanilla extract

Instructions

  1. Preheat your oven to 375°F (190°C). Line a 12-cup muffin tin with paper liners or grease it well.
  2. In a large bowl, whisk together the flour, granulated sugar, baking soda, salt, and cinnamon for the muffin batter.
  3. Add the softened butter to the dry ingredients and mix with a pastry blender or your fingertips until the mixture resembles coarse crumbs.
  4. In a separate medium bowl, whisk together the eggs, buttermilk, and vanilla extract.
  5. Pour the wet ingredients into the dry ingredients and stir until just combined. Do not overmix.
  6. Prepare the streusel topping: In a medium bowl, combine the flour, brown sugar, and cinnamon. Cut in the cold butter until the mixture forms coarse crumbs.
  7. Divide the muffin batter evenly among the prepared muffin cups, filling each about two-thirds full.
  8. Sprinkle a generous amount of the streusel topping over the batter in each muffin cup.
  9. Bake for 18-22 minutes, or until a wooden skewer inserted into the center of a muffin comes out clean.
  10. Let the muffins cool in the tin for 5 minutes before transferring them to a wire rack to cool completely.
  11. If making the glaze, whisk together the powdered sugar, milk, and vanilla extract until smooth. Drizzle over the cooled muffins.

Notes

  • For taller domes, ensure your oven is fully preheated and avoid opening the oven door during the first 15 minutes of baking.
  • The ratio of streusel to muffin is key for a delicious coffee cake muffin. Don’t be shy with the topping!
  • These muffins freeze well. Let them cool completely, then store in an airtight container or freezer bag for up to 3 months. Reheat gently in the oven or microwave.
  • You can omit the glaze for a simpler muffin, or add a sprinkle of coarse sugar on top of the streusel before baking for extra crunch.

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