Jamie Oliver on Instagram: "Let me show you a really simple and easy way to prep and cook rhubarb. Word of warning, it will fill the house with the most amazing smell!! You can use it to make cordials, compote, crumbles, pies and so much more. Popped the full recipe on my app JUM. Link to subscribe in my bio, and you'll get the first month free!! Plus there's more incredible ways to use this vegetable…yes rhubarb really is a vegetable!! #rhubarb #forcedrhubarb #jumapp"