Big Batch Veggie Patch Soup

Ingredients

• 2 teaspoons olive oil
• 1 cup onion (chopped)
• 1 cup celery
• 1 teaspoon garlic (minced)
• 1 12 cups sliced mushrooms
• 2 cups canned diced potatoes (1 lg can)
• 1 tablespoon basil
• 1 teaspoon onion powder
• 1 teaspoon garlic powder
• salt
• pepper
• 2 tablespoons italian seasoning
• 6 cups chicken broth
• 12 ounces vegetable juice (1 can of v8 juice)
• 3 cups water
• 4 cups diced tomatoes with juice (2 14.5 oz cans)
• 2 tablespoons tomato paste
• 3 (16 ounce) bags frozen mixed vegetables