Ingredients

2 Tbsp red wine vinegar

2 tsp dijon mustard

1 tsp salt

1/2 tsp sugar

1/2 tsp black pepper

1/2 cup olive oil

4 lb mixed heirloom tomatoes, quartered or cut into bite size pieces

1 lb cherry tomatoes

1 lb very small mozzarella balls

1 1/2 cups loosely packed small basil leaves

Preparation

Whisk together vinegar, mustard, salt, sugar and pepper in a large bowl. Add oil in a slow stream, whisking constantly until dressing is emulsified. Add tomatoes, mozzarella, and basil and toss well. Season with salt and pepper.