As East Coast temperatures top 100 degrees and I’m convinced that I really could fry an egg on the sidewalk, I’ve started to reconsider my dinner options. While tired of take-out, I’m far from thrilled by the prospect of standing over a hot stove in my simmering kitchen. As refreshing as that half-gallon of rocky road ice cream in my freezer seems, I doubt that it will tide me over until morning. Around the time that I reach for a box of breakfast cereal, I remember two magical words – cold soup. Sometimes referred to as “liquid salads,” chilled vegetable soups provide the perfect way to cool off on sultry summer nights. From Spain comes icy gazpacho. Introduced by Arab occupiers sometime between the eighth and thirteenth centuries, this familiar crimson soup began as a cream colored, garlic- and bread-based peasant food. To make the original gazpacho, cooks would pound stale bread, garlic, olive oil, and salt together in a mortar. They then added water to reach the desired consistency and splashed in vinegar for …