Creamy Garlic Mushroom Soup – Cooking Aboard with Jill

Ingredients

• ¼ cup butter
• 1 tablespoon olive oil
• 1-pound fresh mushrooms, remove stems (I used cremini and the equivalent of 8 cups after stems removed)
• Salt and pepper to taste
• 1 medium or one half large yellow onion, diced
• 8 sprigs of fresh thyme, minced (or 1 tablespoon dried)
• 4 cloves garlic, minced
• 1 cup heavy whipping cream
• 4 cups chicken stock
• 2 cups sour cream
• 6 springs of fresh thyme