Tomato Plum Sauce from Soup: A Way of Life by Barbara Kafka

Ingredients

• 2 tablespoons fresh lemon juice
• 2 tablespoons chopped cilantro
• 1 teaspoon canola or vegetable oil
• 1 medium red plum, peeled
• 3 vine-ripened plum tomatoes, peeled
• 2 jalapeño peppers, seeded, deribbed, and finely chopped, optional
• 1 teaspoon kosher salt
• 2 tablespoons very finely chopped onion