Easy Blueberry Oat Bars Recipe - Simple Fruit Dessert - Quickie Recipe

Ingredients

• 1 cup old-fashioned oats
• 3/4 cup all-purpose flour
• 1/3 cup light brown sugar
• 1/4 teaspoon baking soda
• 1/4 teaspoon salt
• 1/2 teaspoon cinnamon
• 6 tablespoons unsalted butter, melted
• 1 teaspoon vanilla extract
• 1 cup blueberries
• 1/4 cup granulated sugar
• 2 teaspoons cornstarch