Zucchini, carrots, parsnips, lentils, quinoa and onions… so goes the recipe for the veggie burger patty that top chef Alain Ducasse is about to start serving at a Paris kiosk. Unlike many animal protein-free burgers, the superstar chef is taking the concept further by making the recipe entirely vegan. Eating is a form of activism, according to Alain Ducasse, who underpinned this idea in a book, titled “Manger est un acte citoyen” and taking the form of a manifesto, published in 2017. From favoring cereals and working with legumes to repurposing peelings, and rethinking techniques to throw aw…