Marinated Herb Tomato Salad

Ingredients

• 6 tomatoes, cut into wedges
• 1 sweet red bell pepper, cut into strips
• 1 green bell pepper, cut into strips
• 1 medium purple onion, sliced and separated into rings
• 1/2 cup olive oil
• 1/4 cup white wine vinegar
• 1/4 cup chopped fresh parsley
• 2 cloves garlic, finely minced
• 1/2 cup scallions, chopped
• 1 teaspoon fresh basil, minced
• 1/2 teaspoon fresh oregano
• 1/2 teaspoon salt
• Freshly ground black pepper
• Lettuce leaves