Transform your favorite childhood cereal into a delicious treat with these Frosted Lucky Charms Sugar Cookies. The perfect treat for a quick dessert this St. Patrick's Day that both kids and adults will LOVE!
Line 3 sheet pans with parchment paper. Set aside.
In a medium bowl, whisk flour, cereal, baking soda, and cornstarch together.
Combine butter and sugar in a large bowl.
With an electric mixer, beat until creamy, about 1-2 minutes.
Add egg, egg yolk, and vanilla.
Beat until light and fluffy, about 2-3 minutes.
Stir in flour mixture.
Divide the dough into 2½ ounce portions. (a heaping 3 Tablespoons scoop)
Roll into balls.
Place on prepared pans.
Press down about ½ way.
Bake for 15 minutes, or until the edges are just starting to brown.
Frosting
Combine butter and powdered sugar in a medium bowl.
Beat with an electric mixer until creamy, about 1-2 minutes.
Add marshmallow fluff.
Beat until light and fluffy, about 1-2 minutes.
Mix in cream and vanilla.
Assembly
Pipe and spread frosting on cooled cookies.
Decorate with cereal.
Notes
*This recipe was written using an average of the dip and sweep method for measuring flour and the spoon and level method. If you are using a scale, you will need to add 3/4 oz or 22 gto the measurement for each cup of flour.
Room temperature is about 70℉.
Use an oven thermometer to ensure accurate cooking temperatures.
To substitute unsalted butter for the salted in the cookies, add 1/3 teaspoon salt.
To substitute unsalted butter for the salted in the frosting, add 1/8 teaspoon salt.