Winning Cream of Vegetable Soup

Ingredients

• 1 medium onion, chopped
• 3/4 cup butter
• 1/2 cup all-purpose flour
• 3 cans (10-1/2 ounces each) condensed chicken broth, undiluted, or 4 cups chicken broth
• 2 cups milk
• 2 cups half-and-half cream
• 1 teaspoon dried basil
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• 1/4 teaspoon garlic powder
• 5 cups chopped leftover cooked mixed vegetables (such as broccoli, carrots and cauliflower)