Blueberry Pie Bars - Cooking Restored

Ingredients

• 3/4 cup unsalted butter, melted
• 1/2 cup sugar
• 1/4 dark brown sugar
• 1 tsp vanilla
• 2 cups flour
• 1/4 tsp baking soda
• 1/4 tsp fine kosher salt
• 1/2 tsp cinnamon
• 3/4 cup sugar - for the filling
• 1/8 tsp fine kosher salt - for the filling
• 1 1/2 tbsp arrowroot starch - for the filling
• 2 cups blueberries, rinsed and dried - for the filling
• 1 tsp lemon juice - for the filling