Homemade Cream of Mushroom Soup

Ingredients

• 1/4 cup butter
• 1 medium onion, finely chopped
• 1 tablespoon garlic, minced
• 1 1/2 pounds white mushrooms or brown mushrooms, sliced
• 2 teaspoons fresh thyme, finely chopped
• 1/4 cup all-purpose flour
• 3 1/2 cups vegetable stock or chicken stock
• 1 teaspoon salt
• 1/2 teaspoon ground black pepper
• 1 cup heavy cream