Walnut and Roasted Tomato Guacamole

Name: Walnut and Roasted Tomato Guacamole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: Mexican, American, Latin American
Ingredients: 3 large ripe avocados, peeled and pitted; 2 cups cherry tomatoes, halved; 1 tablespoon olive oil; 1/2 cup chopped California walnuts; 1/2 cup finely diced onion; 3 tablespoon lime juice; 2 tablespoons chopped fresh cilantro; 1/2 medium jalapeño pepper, seeded and minced; Salt and pepper to taste; Tortilla chips