1. Heat oil in medium nonstick skillet over medium heat. Add onion and sauté until just beginning to soften, about 3 minutes. Add garlic; sauté 30 seconds. Stir in canned tomatoes and lemon juice. Bring to simmer. Remove from heat.
2. Combine sun-dried tomatoes and next 5 ingredients in processor. Using on/off turns, process until vegetables are finely chopped. Transfer to medium bowl. Stir in tomato mixture. Season with salt and pepper. (Can be made 1 day ahead. Cover and chill.) Serve with vegetables.
3. Per Serving: calories, 70; total fat, 4g; saturated fat, 1g; cholesterol, 0mg. Nutritional analysis provided by Bon Appétit