Cook macaroni according to package directions and cool.

Dice roma tomatoes, cucumbers, green pepper, and celery.

Slice green onions and chives.

Combine cooled macaroni, cheddar cheese, diced tomatoes, cucumbers, green pepper, celery, sliced green onions, chives, and thawed peas in a large bowl.

In a separate bowl, whisk together Miracle Whip, mayonnaise, and milk.

Pour the dressing over the macaroni mixture and stir gently to combine.

Season with salt and pepper to taste.

Add more or less milk to adjust the consistency as needed.

Refrigerate for at least 30 minutes before serving.