In large uncovered Dutch oven cook macaroni in boiling water, cooking oil and salt until tender but firm, about 5 to 7 minutes. Drain, Rinse with cold water. Drain well. Return macaroni to pot. Combine next 8 ingredients in a small bowl. Mix well. Add to macaroni. Toss together well. Turn into serving bowl. Chill for one hour or more. If you want it more moist, add a bit of milk.