Ingredients For the dressing: 1/2 cup olive oil 1/4 cup red wine vinegar 2 teaspoons dried Italian seasoning 1/2 teaspoon granulated sugar 1 clove garlic, minced 1/2 teaspoon kosher salt 1/4 teaspoon freshly ground black pepper For the pasta salad: 1/2 medium red onion, finely chopped 8 ounces dried short pasta, such as rotini 8 ounces cherry tomatoes, halved or …