Creamy Tuna-Pasta Salad - cooking recipe

Ingredients

1/3 cup vegetable oil
3 tablespoons red wine vinegar
1 tablespoon Dijon mustard
1/2 cup mayonnaise
7 ounces medium pasta shells
1/3 cup chopped fresh basil or 1 tablespoon dried basil
1/4 cup chopped green onion (3 med.)
1 medium zucchini, sliced (2 c.)
2 (6 ounce) cans chunk tuna in water, drained
1 (4 ounce) can sliced ripe olives, drained

Preparation

Beat oil, vinegar, mustard, and mayonnaise together with a wire whisk.
Cook and drain pasta as directed on package.
Rinse with cold water; drain.
Mix pasta and remaining ingredients in medium bowl.
Toss with dressing mixture.
Cover and refrigerate at least 1 hour to blend flavors.