fabulous artichoke dip/filling

Ingredients

• 1 package artichoke hearts, frozen
• 1/4 teaspoon herbs, italian
• 1 dash balsamic vinegar
• 1 teaspoon olive oil
• 1 - onion, finely chopped
• 1/3 cup herbs, italian
• 1 package mushrooms, sliced
• 1/2 cup parmesan cheese, fat-free
• 2 teaspoons mayonnaise, fat-free
• 2 teaspoons sour cream, fat-free
• 1 dash worcestershire sauce