Chinese fondue broth recipe with beer and red wine

Ingredients

• ½ red onion, cut into large chunks
• 4 garlic cloves, finely chopped
• Olive oil
• 1.8 L (about 7 ½ cups) beef broth
• 1 cup (250 ml) medium-bodied red wine
• 1 bottle (355 ml) red ale, or another amber beer
• 1 tbsp (15 ml) Worcestershire sauce
• ½ tsp (2.5 ml) dried thyme
• 2 bay leaves