Avocado Salad

Ingredients

• 1/2 c. olive oil
• 1/4 c. white wine vinegar
• 1/4 tsp. freshly ground pepper
• 2 Tbsp. lemon juice
• 1 tsp. salt
• 1 large avocado, chopped
• 1 medium onion, chopped
• 1 large tomato, chopped
• 1 small head iceberg lettuce, shredded