Slow Cooker Beef Bourguignon

Details

Ingredients

• 3 tablespoons butter
• 3 tablespoons vegetable oil
• 2 medium onions, quartered
• 2 pounds beef stew meat
• 1 (750 milliliter) bottle red wine
• 6 carrots, chopped into large chunks
• 3 sprigs fresh thyme
• 2 large bay leaves
• salt and freshly ground black pepper to taste