Best White Chocolate Peppermint Blondies - How to Make Peppermint Blondies

Ingredients

• Cooking spray
• 2 1/2 c. (300 g.) all-purpose flour
• 1 tsp. kosher salt
• 1/2 tsp. baking powder
• 1 c. (180 g.) light brown sugar, packed
• 1 c. (2 sticks) unsalted butter, melted
• 3/4 c. (160 g.) granulated sugar
• 2 large eggs
• 1 tbsp. pure vanilla extract
• 1 c. (170 g.) white chocolate chips
• 2 c. (225 g.) powdered sugar
• 3/4 c. (1 1/2 sticks) unsalted butter, softened
• 1/2 tsp. peppermint extract
• 1/4 tsp. kosher salt
• 1/3 c. (55 g.) crushed peppermint candies (from about 6 candies)