Scientists and dietitians are starting to agree on a recipe for a long, healthy life. It’s not sexy, and it doesn’t involve fancy pills or pricey diet potions.

Fill your plate with plants. Include vegetables, whole grains, healthy fats, and legumes. Don’t include a lot of meat, milk, or highly processed foods that a gardener or farmer wouldn’t recognize.

“There’s absolutely nothing more important for our health than what we eat each and every day,” Sara Seidelmann, a cardiologist and nutrition researcher at Brigham and Women’s Hospital in Boston, told Business Insider.