Homemade Easy Orange Marmalade 1 orange* 1 Tbsp. water 1/2 cup sugar Cut the un-peeled orange and place it into a blender or food processor with the water. Pour the mixture into a saucepan with the sugar and boil for 15 minutes. *If you use a non-organic orange, wash it thoroughly. From the Dining On A Dime Cookbook. For more quick and easy recipes your family will love, check out Dining On A Dime here!