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Keto Soups

Tomato Cold Soup with Parmesan Cheese Ice

When summer tomatoes are at their peak, I turn to this chilled soup for a refreshing keto starter. The velvety tomato base, enriched with olive oil, gets a playful twist from a scoop of frozen savory Parmesan cream. It’s unexpectedly elegant yet simple to prepare, making it a standout for dinner parties or a light lunch.

15 min Prep time 10 min Cook time 25 min Total time 4 Servings 350 Calories
Tomato Cold Soup with Parmesan Cheese Ice

Ingredients

  • plum tomatoes, chopped
  • leaves fresh basil, julienned
  • ½ cup extra virgin olive oil
  • ½ cup freshly grated Parmesan cheese
  • ¼ cup heavy cream
  • salt to taste
  • freshly ground black pepper to taste

Instructions

  1. Step 1

    Start by pureeing the chopped tomatoes and basil together using an immersion blender or food processor. With the motor running, slowly drizzle in the olive oil to create a smooth emulsion. I usually divide the mixture into two batches for easier blending. Season with salt and pepper, keeping in mind the Parmesan ice cream will add saltiness. Transfer to the fridge to chill. Meanwhile, gently heat the cream in a small saucepan, then whisk in the Parmesan until melted and smooth. Add a crack of black pepper, let it cool slightly, then pop it in the freezer. While it sets, strain the cold tomato soup through a fine-mesh strainer, pressing to extract all the liquid and discard seeds and peels. The result should be silky, not watery. To serve, ladle the soup into bowls and use a dessert spoon to scoop small quenelles of the frozen cheese mixture. Place one on top of each bowl right before serving for a striking contrast of temperatures.

Chef's Tip

I always chill the serving bowls in the freezer for 10 minutes beforehand—this keeps the soup icy cold and prevents the Parmesan ice cream from melting too fast.

Storage Tips

Store the tomato soup and Parmesan ice cream separately. Soup stays fresh in the fridge for up to 2 days; keep the ice cream frozen for up to a week. Re-blend the soup if it separates.

Variation Tips

Swap basil for fresh mint and add a teaspoon of lemon zest for a brighter flavor. For a heartier dish, serve with a side of keto garlic bread or a crisp green salad.

Frequently Asked Questions