Cookie butter jams. For the jam, apricot or raspberry is the preferred ingredient. Cookie butter Cookie butter (Dutch: "Speculoospasta", Danish: "Trøffel-masse") is a food paste made primarily from speculoos cookie crumbs (known as Biscoff in the USA), fat (such as vegetable oil, condensed milk or butter), flour, and sugar. The ingredients are mixed until it becomes spreadable on a sandwich. In countries like Belgium, the Netherlands, and France, it is a common alternative to nut butter and chocolate spreads. The most common brand name is Lotus Bakeries. In 2007, two individual inventors took part in a Belgian TV inventor show, called De
Vegetable oil ester, are manufactured by Fischer esterification. Tetraesters generally have high stability to oxidation and have found use as engine lubricants. Vegetable oil is being used to produce biodegradable hydraulic fluid and lubricant. One limiting factor in industrial uses of vegetable oils is that all such oils are susceptible to becoming rancid. Oils that are more stable, such as ben oil or mineral oil, are thus preferred for industrial uses. Castor oil has numerous industrial uses, owing to the presence of hydroxyl group on the fatty acid. Castor oil is a precursor to Nylon 11. Vegetable oil is used in production