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Homemade Sugar Cookie Frosting

This classic homemade frosting is buttery, sweet, and smooth, perfect for spreading on sugar cookies. Made with simple ingredients like butter, powdered sugar, vanilla, and a pinch of salt, it melts slightly when bitten into, creating a glossy, velvety finish. Its forgiving nature makes it a nostalgic treat that elevates even the simplest cookies into festive delights.
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Prep Time 10 minutes
Total Time 10 minutes
Course: Main Course
Cuisine: American
Calories: 150
Ingredients Equipment Method Notes

Ingredients
  

  • 1 cup unsalted butter softened to room temperature
  • 3-4 cups powdered sugar sifted for smoothness
  • 1-2 teaspoons vanilla extract use pure vanilla for best flavor
  • a pinch salt balances sweetness
  • 1-2 teaspoons milk or cream optional, for smoothness

Equipment

  • Large mixing bowl
  • Spatula or whisk
  • Rubber scraper
  • Small bowl

Method
 

  1. Begin by placing your softened butter in a large mixing bowl. Using a spatula or whisk, beat it on medium speed until it becomes creamy and pale, filling your kitchen with a rich, buttery aroma.
  2. Gradually add sifted powdered sugar, one cup at a time, mixing on low speed to prevent dust clouds. Once incorporated, increase the speed to medium-high and beat until the mixture is fluffy and smooth, about 1-2 minutes.
  3. Pour in a teaspoon or two of vanilla extract and add a tiny pinch of salt. Mix thoroughly until all ingredients are evenly blended, and the frosting takes on a glossy sheen. If you'd like a softer, silkier texture, add a teaspoon of milk or cream and beat until smooth.
  4. Check the consistency—if it’s too thick, stir in a little more milk; if too runny, sprinkle in a bit more powdered sugar and beat again until you reach a spreadable, velvety texture.
  5. Use a spatula to scrape down the sides of the bowl, then give the frosting a final mix. It should be silky, shiny, and ready to spread or pipe onto cooled sugar cookies.
  6. Spread the frosting onto your cooled cookies with a spatula or pipe it decoratively for a festive look. Let the frosted cookies sit at room temperature for about 30 minutes to allow the frosting to set and develop its glossy finish.

Notes

For vibrant colors, use gel food coloring and add it in step 3. Store leftovers in an airtight container in the fridge for up to 5 days; bring to room temperature before spreading. For a citrus twist, substitute vanilla with lemon or orange extract.