Retail sales of plant-based foods jumped 20 percent over the past year. The Plant-Based Foods Association says new data shows sales of plant-based foods topped $3.3 billion, with milk alternatives generating $1.5 billion of total plant-based sales. Other dairy alternatives, such as plant-based products imitating yogurt, cheeses and ice cream, accounted for $727 million in sales, up 19.8 percent from …