RecipesSwiss Chard and Ricotta Cannelloni (Recipe + Video)SavePrintFoodWise10/7/2022|Updated: 10/19/2022By Chef Chen YichunLike kale, spinach, and other dark leafy greens, Swiss chard is a vitamin powerhouse. Science says B vitamins are essential for producing brain chemicals that affect mood and other cognitive functions. We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.