Chili's Grill and Bar Chicken Mushroom Soup

Ingredients

• 1/4 cup margarine
• 1/4 cup yellow onion, cut into 1/4-inch pieces
• 1/4 cup carrots, cut into 1/4-inch pieces
• 1/4 cup celery, cut into 1/4-inch pieces
• 3 cups sliced mushrooms (about one 8-ounce package), cut into 1/8-inch slices
• 1/2 cup all-purpose flour
• 5 1/2 cups chicken broth
• pinch of dried tarragon
• 1/4 teaspoon dried thyme
• 1/2 teaspoon white pepper
• 1 teaspoon black pepper
• 1/2 teaspoon hot pepper sauce
• 3/4 pound chicken, cooked and diced
• 1 tablespoon fresh parsley, chopped
• 3 cups half-and-half
• 1 1/2 teaspoon lemon juice