Refrigerate until chilled, about 30 minutes. Ladle the gazpacho into bowls and top with diced avocado. Serve with tortilla chips. MAKE AHEAD The gazpacho can be refrigerated overnight.
Kinnaird likes serving the watermelon gazpacho with a bit of slivered fresh basil or mint leaves and an avocado slice for garnish. How Far In Advance Can I Make This Salad And How Long Will It Last?