The Home Plate Pasta Salad

Ingredients

• 16 oz pkg cooked rotini (spiral) pasta
• 1 C white vinegar
• ½ C vegetable oil
• 2 tsp prepared mustard
• 1 ½ C sugar
• 1 tsp salt
• 1 tsp pepper
• 1 tsp garlic powder
• 1 medium yellow onion, chopped
• 1 pint cherry tomatoes, sliced in half
• ¼ C black olives, sliced
• 1 medium cucumber, chopped medium
• 2 tsp dried parsley; or 2 T fresh