Ingredients
3 tbsp unsalted butter
1 large yellow onion, thinly sliced
4-5 clove garlic, finely chopped
1½ cup beef broth
2 tsp fresh thyme leaves, chopped
2 tsp kosher salt, more to taste
½ tsp freshly ground black pepper, more to taste
10-12 Bibigo Beef & Vegetable Mandu
¼ cup gouda cheese, shredded
Freshly chopped chives, parsley, or thyme