Strawberry Rhubarb Bars - Jo Cooks

Ingredients

• 1 cup all-purpose flour
• 1½ cups rolled oats
• ½ teaspoon baking powder
• ½ teaspoon salt
• ½ cup brown sugar (packed)
• ¼ cup granulated sugar
• ¾ cup butter (unsalted, softened)
• 1 teaspoon vanilla extract
• 2 cups strawberries (hulled and diced)
• 2 cups rhubarb (diced in small ¼ pieces)
• 1 teaspoon lemon zest
• 1 teaspoon lemon juice (freshly squeezed)
• 1 tablespoon cornstarch
• ⅓ cup sugar