European sailors in the 1700s called this “midshipman's butter” because they liked to spread it on hardtack biscuits. It's a great vegan substitute for mayonnaise because it has no eggs in it, and you can also use it as a sandwich spread, a condiment for grilled meats, or as a dip for veggies or chips. From the article Avocado Madness!
Yes, you can grill some salad ingredients! This modified Italian recipe uses leftover bread, and grilling the stale bread keeps it from getting soggy in the salad. It is a nice accompaniment to grilled meats and poultry and the heat level builds as you eat it.