Baking Beaucoup

This stew is perfect to kick off fall. Add more heat if you like a spicy stew.1 can (15 ounces) diced tomatoes, undrained3 tablespoons olive oil1 cup diced yellow onion2 cups diced sweet potato or yams1 cup chopped carrot (about 2 carrots)1 cup fresh cilantro leaves1/2 cup chunky peanut butter2 garlic cloves, halved1 teaspoon ground cumin1 teaspoon salt1