Marinated Vegetable Medley

From: AllRecipes

This is a wonderful, tangy recipe for marinated veggies.
   You may substitute small pearl onions for the chopped
   onion, and add bias sliced celery pieces as well. Prep Time:
   approx. 30 Minutes. Ready in: approx. 3 Hours 30 Minutes.
   Makes 8 servings.

2/3 cup white vinegar
2/3 cup vegetable oil
1/3 cup chopped onion
1 teaspoon white sugar
1 teaspoon salt
1 teaspoon dried basil
1 teaspoon dried oregano

1/8 teaspoon garlic powder
1 (14 ounce) can artichoke
hearts, drained and quartered
1 cup fresh broccoli florets
1 cup cauliflower florets
1 cup sliced carrots
1 cup sliced fresh mushrooms

Directions
1 In a small saucepan, whisk together the vinegar, oil,
   onion, sugar, salt, basil, oregano and garlic powder. Bring
   mixture to a boil; cover, reduce heat and simmer 12 minutes.
2 In a large bowl, add the artichoke hearts, broccoli,
   cauliflower, carrot and mushrooms. Pour the vinegar mixture over
   all and toss to coat. Cover and chill at least 3 hours.
   Serve using a slotted spoon.