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Sprinkle Birthday Cake Muffins

Mira
These Sprinkle Birthday Cake Muffins are soft, fluffy, and packed with sweet vanilla flavor and colorful sprinkles. Perfect for breakfast, snacks, or celebrations, this easy muffin recipe brings the fun of birthday cake into a quick, bakery-style treat ready in under 30 minutes.
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes

Ingredients
  

  • 2 cups all-purpose flour
  • ¾ cup granulated sugar
  • 2 large eggs room temperature
  • 1 cup milk
  • ½ cup unsalted butter melted
  • 1 tablespoon vanilla extract
  • 1 tablespoon sour cream or Greek yogurt
  • ½ cup rainbow sprinkles jimmies recommended
  • 2 teaspoons baking powder
  • ½ teaspoon salt
  • Optional: coarse sugar for topping

Instructions
 

  • Preheat oven to 375°F (190°C) and line a muffin tin with paper liners.
  • In a large bowl, whisk together flour, sugar, baking powder, and salt.
  • In another bowl, whisk eggs, milk, melted butter, vanilla extract, and sour cream.
  • Pour wet ingredients into dry ingredients and mix gently until just combined.
  • Fold in sprinkles carefully to avoid color bleeding.
  • Divide batter evenly into muffin cups, filling about ¾ full.
  • Top with extra sprinkles or coarse sugar if desired.
  • Bake for 18–22 minutes until tops are lightly golden and a toothpick comes out clean.
  • Let cool in the pan for 5 minutes, then transfer to a wire rack to cool completely.
  • Optional: drizzle with a simple glaze before serving.

Notes

  • Do not overmix to keep muffins light and fluffy.
  • Use jimmies-style sprinkles to prevent color bleeding.
  • Bring ingredients to room temperature for smoother batter.
  • Avoid overbaking to maintain moisture.