Ingredients

• 1 ½ to 1 ¾ lbs red seedless grapes, larger ones are best
  
• 1 tablespoon olive oil
  
• ¼ teaspoon fine sea salt
  
• 2 tablespoons sherry vinegar, plus additional to taste
  
• ½ teaspoon minced fresh thyme (optional – it's good either way)