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Easy Fluffy Cinnamon Sugar Donut Muffins

cinnamon sugar donut muffins - featured image

These muffins are soft, tender, and coated in a perfect cinnamon sugar crunch, making them a quick and satisfying breakfast treat that feels like a cozy indulgence.

Ingredients

Scale
  • 2 cups (240 g) all-purpose flour
  • 2 teaspoons baking powder
  • ½ teaspoon baking soda
  • ¼ teaspoon salt
  • ¾ cup (150 g) granulated sugar
  • 6 tablespoons (85 g) unsalted butter, melted and slightly cooled
  • ¾ cup (180 ml) buttermilk or plain yogurt thinned with milk
  • 1 large egg, room temperature
  • 1 teaspoon vanilla extract
  • Cinnamon sugar coating:
  • ½ cup (100 g) granulated sugar
  • 2 teaspoons ground cinnamon
  • 4 tablespoons (55 g) unsalted butter, melted (for coating)

Instructions

  1. Preheat your oven to 375°F (190°C) and prepare your muffin tin by greasing it lightly or placing paper liners inside.
  2. In a large bowl, whisk together the flour, baking powder, baking soda, salt, and granulated sugar until well combined.
  3. In a separate bowl, whisk melted unsalted butter, buttermilk, egg, and vanilla extract until smooth.
  4. Pour the wet mixture into the dry ingredients and gently fold with a spatula until just combined. Do not overmix; some lumps are okay.
  5. Spoon batter into muffin cups, filling each about 3/4 full.
  6. Bake for 15 to 18 minutes, checking at 15 minutes with a toothpick. Muffins are done when toothpick comes out clean or with a few moist crumbs.
  7. While muffins bake, mix granulated sugar and ground cinnamon in a shallow bowl.
  8. When muffins come out, let cool for 5 minutes. Brush each muffin generously with melted butter and immediately roll in the cinnamon sugar mixture.
  9. Transfer coated muffins to a wire rack to cool completely or enjoy warm.

Notes

Do not overmix the batter to keep muffins light and fluffy. Coat muffins with butter and cinnamon sugar while still warm for the best crunchy coating. Use fresh baking powder and baking soda for optimal rise. Room temperature ingredients help with mixing. Muffins can be stored at room temperature for 2 days or frozen for up to 3 months.

Nutrition

Keywords: cinnamon sugar muffins, donut muffins, fluffy muffins, breakfast muffins, easy muffins, cinnamon sugar coating