Marmalade

Ingredients

 * 1 grapefruit
 * 1 orange
 * 1 lemon
 * 6 cups sugar

Steps
Wash and quarter fruit. Add enough water to cover and boil for 20 minutes. Drain fruit and let cool. Reserve cooking liquid. Grind boiled fruit. Add back into cooking liquid. Combine fruit-liquid combination with double its volume in water. Add 6 cups sugar. Cook for around 1/2 hour until marmalade thickens when cool.