West Indies Pepper Pot Soup

• 10 kale (fresh)
• 4 sweet potatoes
• 2 garlic (cloves)
• 2,800 ml water
• 700 gr short rib of beef
• 700 gr stew beef
• 65 gr salt pork
• 38 gr spinach (fresh)
• 10 ml salad oil
• 4 gr salt