Sup Tulang Ham Slow Cooker dengan Kacang

Bahan-bahan (6 porsi)

• 1.2 kg / 2.4lb leftover ham bone ( OR store bought ham hock / meaty bone (Note 1))
• 2 carrots (, peeled cut into 3 chunks)
• 1 celery stalk (, cut into chunks)
• 2 g arlic cloves (, minced)
• 3 sprigs thyme or 1/2 tsp dried thyme
• 1.5 - 2 cups dried white beans (, no need to soak (Note 2))
• 2 litres / 2 quarts water ((8 cups))
• 2 tbsp (30g) butter or oil
• 1 onion (, chopped)
• 2 g arlic cloves (, minced)
• 3 celery ribs (, chopped)
• 2 carrots (, chopped)
• 2 cups milk (, any fat %)
• 2 tsp Vegeta or other stock powder ((Note 3))
• 60 g / 2 oz baby spinach ((Note 4))
• 1/2 cup extra milk (, any fat %)
• 1/3 cup cornflour / cornstarch