Lamb Weston held an investor day ahead of its imminent spin-off from ConAgra Foods, which will itself become a consumer-facing branded food group Conagra Brands. The move aims to enable a more focused Lamb Weston to deliver strong profit margins thanks to a product mix that is highly complementary and synergistic. But, Lamb Weston management insists, it is also about growth. Here are our key takeaways from the investor event.