Cinnamon Sugar Speculoos Squares | TASTE

Ingredients

• Nonstick pan spray
• ½ c speculoos cookie butter
• 2 sticks (16 tablespoons) unsalted butter, cut into ½-inch cubes
• 2 c packed light brown sugar
• 2 lg eggs, room temperature
• 1 tbsp vanilla extract
• 2 ½ c spooned and leveled all-purpose flour
• ½ tsp baking powder
• ¼ tsp baking soda
• ¾ tsp kosher salt
• ½ tsp ground cinnamon, divided
• 1 tbsp granulated sugar
• ¾ c confectioners’ sugar, plus more as needed
• 1 tbsp plus 1 teaspoon (20 ml) milk, plus more as needed
• 1 tbsp speculoos cookie butter
• ¼ tsp ground cinnamon