Tomato Onion Salad

6 large tomatoes, sliced
1 sweet onion, thinly sliced and separated into rings
1/4 cup olive oil
2 Tbsp red wine vinegar
2 Tbsp fresh parsley, chopped
1 tsp salt
1 tsp Italian seasoning
1 tsp finely chopped onion
1/2 tsp sugar
1/4 tsp garlic powder
1/4 tsp pepper

Layer tomatoes and onions in a shallow serving dish.  Combine rest of the ingredients, whisking well.  Drizzle over salad.  Cover and refrigerate for at least 2 hours before serving.

Serves 8