Creamy Potato Soup with Bacon Vinaigrette

INGREDIENTS

• pinch salt
• 3 green onions finely sliced
• 1 tablespoon butter
• 4 pieces thick cut bacon
• 1 cup low fat sour cream
• 2 tablespoons olive oil
• 3 cloves garlic diced
• 1 large carrot diced
• 1 rib celery diced
• salt and pepper to taste
• 1 large onion diced
• 3 tablespoons white wine vinegar
• 6 medium Russet potatoes (about 2 lbs.) peeled and diced into 1" cubes
• 1 sprig rosemary chopped
• 7 cups chicken stock or water
• 1 teaspoon salt