Cucumber And Avocado Gazpacho With Grapes

Ingredients

• 1 large seedless cucumber, 14 to 15 ounces, ends removed
• 1 cup vegetable broth
• 4 green onions, trimmed, chopped (or 1/4 cup roughly chopped chives)
• 1/2 small jalapeno, halved, seeded
• leaves from 1 large sprig mint (about 1 tablespoon), roughly chopped
• 1 large ripe avocado, halved, pitted
• juice of 1/2 lime, or more to taste
• 1/2 to 1 teaspoon salt
• seedless red grapes, cut in half
• diced ripe avocado
• chopped chives