Smoked Eggplant Salad

Name: Smoked Eggplant Salad
Ingredients: 1 large eggplant; 2 tablespoons fresh lemon juice; 2 jalapeno peppers; 1 green bell pepper; 1 red onion, quartered with stem intact; 4 garlic cloves, minced; Salt; 2 tablespoons olive oil; 1/4 cup ground walnuts; 1/3 cup thick (drained) yogurt; 3 tablespoons red wine vinegar