This memorable old-fashioned, now heirloom ambrosia salad has made an appearance at every family BBQ for longer than I care to remember! It is made with sour cream and not Cool Whip or yogurt like some ambrosia recipes I’ve seen. I love sour cream! I could eat a spoonful right from the container! It has just the right combination of fruit and it’s so easy to put together in just a few…