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                                            Prep Time: 0 Minutes Cook Time: 0 Minutes  | 
                                            Ready In: 0 Minutes Servings: 1  | 
                                         
                                        
                                     
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                    Ingredients: 
                    
                        
                                                1 large grapefruit  |  
                                                1/2 cup thinly sliced orange rind  |  
                                                4 1/2 quarts water, divided  |  
                                                3/4 cup chopped orange sections  |  
                                                1 small lemon, thinly sliced  |  
                                                sugar  |  
                                                
                     
                    Directions: 
                    
                        
                            
                                1. Remove rind from grapefruit; set aside. Chop pulp, and discard seeds. Set pulp aside. 2. Cut reserved rind into small star-shaped pieces using an aspic cutter; reserve remaining rind pieces. Combine grapefruit rind stars, reserved rind pieces, orange rind, and 1 1/2 quarts water in a large Dutch oven; bring mixture to a boil. Boil, uncovered, 5 minutes; drain. Repeat procedure. 3. Combine remaining 1 1/2 quarts water, rind, chopped orange, and lemon slices in Dutch oven; bring to a boil, and boil 5 minutes. Cover and let stand 12 to 18 hours in a cool place. 4. Uncover; bring to a boil. Reduce heat; cook 35 minutes or until rind is tender. Measure amount of fruit and liquid mixture. Add 1 cup sugar per 1 cup mixture; stir well. Bring to a boil; cook, stirring frequently, until mixture registers 220° on candy thermometer. 5. Pour marmalade into hot sterilized jars, leaving 1/4-inch head space; cover at once with metal lids, and screw bands tight. Process in a boiling-water bath 10 minutes.                              | 
                         
                         
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