Sugar Cookies | TasteToronto

Ingredients

• 2 ½ cups all-purpose flour
• ½ tsp baking powder
• ½ tsp baking soda
• 1 tbsp cornstarch
• ½ tsp salt
• ¾ cup unsalted butter, at room temperature
• 1 cup granulated sugar
• 1 large egg, at room temperature
• ½ cup sour cream, at room temperature
• 1 tsp vanilla extract
• ½ cup unsalted butter, at room temperature
• 2 cups powdered sugar
• 1 tbsp milk
• Food coloring (optional)
• Sprinkles (optional)