Mulled Wine Reduction Sauce - The Rooted Cache

Ingredients

• 1 Warm Wishes - Mulling Spice Pack
• 1 bottle red wine (750ml)
• 1 cup beef or vegetable broth
• 1/4 cup balsamic vinegar
• 2 tbsp unsalted butter
• 2 tbsp olive oil
• 2 shallots finely chopped
• 2 cloves garlic, minced
• 1 tbsp brown sugar (optional, to taste)
• salt and black pepper to taste