Tomato Coulis - Christine Avanti

Ingredients

• 2 beefsteak tomatoes
• ¼ cup red wine vinegar
• 1 tsp minced garlic
• 1 tsp fine sea salt
• ½ tsp ground black pepper
• 1 red onion (chopped)
• ¼ cup extre-virgin olive oil
• ice and water (for blanching)