Ingredients
1
pouch (1 lb 1.5 oz) Betty Crocker™ sugar cookie mix
1
box Betty Crocker™ Super Moist™ white cake mix
1
cup butter, melted and slightly cooled
3
eggs
1
teaspoon vanilla
3
tablespoons Betty Crocker™ Decorating Decors rainbow mix
1
cup butter, softened
3
cups powdered sugar
2
to 3 tablespoons milk
1
teaspoon vanilla
Assorted candy sprinkles
Preparation
Heat oven to 350°F. Grease bottom of 13x9-inch pan with shortening or cooking spray.
In large bowl, beat sugar cookie mix, cake mix, melted butter, eggs and 1 teaspoon vanilla with electric mixer on low speed 30 seconds. Beat on medium speed about 1 minute or until blended. Stir in 3 tablespoons candy sprinkles. Spread in pan.
Bake 32 to 34 minutes or until golden brown. Cool completely, about 1 1/2 hours.
In large bowl, beat 1 cup softened butter, the powdered sugar, 2 tablespoons milk and 1 teaspoon vanilla until combined. Add additional milk 1 teaspoon at a time until spreading consistency. Spread over cooled bars. Sprinkle with assorted candy sprinkles. Cut into 6 rows by 4 rows.