Marmalade is a type of jam or preserve made from citrus fruits, such as oranges and lemons. The crossword solutions for the term 'Marmalade Ingredient' are ZEST (4 letters), PEEL (4 letters), PECTIN (6 letters), RIND (4 letters), and ORANGEZEST (10 letters). ZEST is the outermost layer of the skin of a citrus fruit, which contains essential oils and flavor compounds. PEEL is the skin of the fruit, which is usually removed before marmalade is made. Pectin is a natural carbohydrate found in fruits that helps to thicken jams and jellies. RIND is the thick, tough outer layer of the fruit, which is often used to add texture to marmalade. Orangezest is the ZEST of an orange, which is often used to add flavor to marmalade.