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5 frosted rainbow cookies
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Rainbow Sugar Cookies

Simple rainbow sugar cookies made from a circle cookie cutter! We'll share two ways to decorate them with buttercream frosting. So colorful and delicious!
Course Dessert
Cuisine American
Prep Time 15 minutes
Cook Time 10 minutes
Decorating 1 hour
Total Time 1 hour 25 minutes
Servings 36
Calories 225kcal


  • Rolling Pin
  • #5 frosting tips (round tip)
  • #18 frosting tip (open star tip)
  • frosting/patry bags
  • frosting couplers
  • large round cookie cutter
  • small round cookie cutter


  • batch sugar cookie dough (our favorite recipe)
  • 1 cup butter softened
  • 6 cups powdered sugar
  • 2 teaspoons vanilla
  • 6-8 Tbsp. milk
  • food coloring


  • For the semi-circle rainbow cookies, cut out circle cookie shapes then slice each circle in half using a pizza cutter or knife.
    Use a small round cookie (or biscuit) cutter to cut out a small section in the center for the arch.
    semi circle cookie dough cut with biscuit cutter
  • Bake cookies and let cool completely.
    rainbow shaped cookie
  • Whisk ingredients together for frosting. Seperate into bowls and add food coloring.
    Fill pastry bags with frosting and desired frosting tips. Use a #5 or #7 tip for the rainbow colors and a #18 tip for the white clouds.
  • Pipe rainbow onto cookie using frosting bags filled with buttercream frosting.
    Add clouds by piping on small white stars to each cookie.
    rainbow cookie with colorful frosting and white could frosting
  • For the round rainbow cookies, cut out circle cookie shapes. Bake cookies and let cool completely.
    Outline cookie in blue frosting. Fill bottom with blue frosting.
    round sugar cookie outlined in blue frosting
  • Fill in top half of the cookie with rainbow colors.
    Swirl clouds onto each cookie using the white frosting and star frosting tip (#18).
    round rainbow cookie with clouds being piped onto it



I used a 4" round cookie cutter to make the semi-circle rainbow cookies and a 1" round cookie cutter to make the center arch cut.
I used a 3" round cookie cutter to make the round rainbow cookies.


Calories: 225kcal