"Soft, buttery sugar cookies come together quickly in bar cookie form, and frosting them with decadent chocolate buttercream puts them over the top!..."
INGREDIENTS
•
2 cups (10 ounces*) all-purpose flour
•
1/2 teaspoon baking powder
•
1/4 teaspoon salt
•
1 cup (2 sticks) unsalted butter, at room temperature
•
1 cup sugar
•
1 tablespoon brown sugar
•
1 egg, at room temperature
•
1 1/2 teaspoons pure vanilla extract
•
1/2 cup (1 stick) unsalted butter, at room temperature
•
3 cups powdered sugar
•
3 tablespoons milk, at room temperature
•
1 teaspoon pure vanilla extract
•
1/8 teaspoon salt
•
4 ounces unsweetened chocolate, chopped, melted, and cooled to room temperature