Sugar Cookie Bars

Bahan-bahan (15 porsi)

• 1 Tbsp + 1 tsp rainbow sprinkles, divided ($0.86)
• 1 cup sugar ($0.34)
• 1 tsp baking powder ($0.04)
• 2 cups all-purpose flour ($0.33)
• 2 tsp vanilla extract ($0.48)
• 1 large egg ($0.41)
• 1 stick mentega asin + lebih banyak untuk melumasi wajan*, suhu kamar ($0,99)
• 1 cup whole milk ($0.27)
• 1 stick unsalted butter, room temperature ($0.99)
• 1 tsp vanilla extract ($0.24)
• 2 cups powdered sugar ($1.10)
• 2 Tbsp whole milk** ($0.01)