Carrot & Banana Natural Dog Treats 2 1/2 cups whole wheat flour 1/2 cup cornmeal 1 bunch fresh carrots, finely chopped or grated 2-3 fresh bananas, peeled and mashed 1 beaten egg 1/3 cup vegetable oil 1 tablespoon brown sugar (*optional, we went without) 1/2 cup cold water After baking 35 min at 350 degrees, turn oven off and leave cookies inside for another 30-45 minutes until crisp