Blueberry Oatmeal Bars

Ingredients 1 cup old-fashioned rolled oats gluten free if needed ¾ cup white whole wheat flour or substitute all-purpose flour or, to make gluten free, 1:1 baking flour ⅓ cup light brown sugar ½ teaspoon ground cinnamon ¼ teaspoon kosher salt 6 tablespoons unsalted butter melted (or substitute melted coconut oil to make vegan/dairy free)…