Apple Rhubarb Crisp

Ingredients 6 large apples, cored and diced 1 cup diced rhubarb 1 cup white sugar (Optional) 1 ¾ cups all-purpose flour, divided 1 ½ teaspoons ground cinnamon, divided (Optional) 1 ¾ cups quick-cooking oats 1 cup brown sugar 1 cup chilled butter, cut into pieces 2 tablespoons white sugar, or to taste (Optional) Directions Gather the ingredients. Preheat the oven to 350 degrees F (175 degrees C). Butter a 9×13-inch baking dish. Mix…