These amazing birthday cake cookies have the decadent texture of a blondie combined with fluffy buttercream icing that melts in your mouth.
Prep Time30 minutesmins
Cook Time30 minutesmins
Total Time1 hourhr
Course: Dessert
Cuisine: American
Keyword: cake, cookies
Servings: 4
Calories: 174kcal
Ingredients
2sticksbutteror 1 cup
1cupsugar
1cupbrown sugarlight or dark
2eggs
2cupsself-rising flour
2teaspoonsvanilla extract
1teaspoonbutter flavoring
1teaspoonalmond extract
4tablespoonsrainbow sprinkles
Buttercream Frosting (half this if you want less icing)
2sticksbutterat room temperature
4teaspoonsbutter flavoringcan use clear vanilla instead
5-6cupsconfectioner's sugar
4-8tablespoonsmilk
Instructions
First, melt the butter. In a large bowl, stir together the melted butter, white sugar, and brown sugar by hand until well blended. In a separate bowl or measuring cup, beat eggs well.
2 sticks butter, 1 cup sugar, 1 cup brown sugar, 2 eggs
Make sure the cookie dough isn't too hot. If it is, allow it to cool for a few minutes before the next step so you don't cook the eggs.
Add the eggs, flour, and flavorings to the bowl. Stir well to combine. Stir in rainbow sprinkles, if using.
Grease a 9x13 baking dish and pour in the cake batter. Bake cookies at 350 for 30 minutes, or until golden brown and set in the center. Center will still be soft. Allow to cool completely before icing.
To make the icing
In a large bowl, cream the butter and about 1 cup of confectioner's sugar with an electric mixer until light and fluffy. Add the butter flavoring, half of the milk, and remaining sugar and beat again until smooth and creamy, scraping down the sides and adding a little extra milk if needed.