Authentic Caldo Verde with Sausage Recipe - Portuguese Comfort Food

Ingredients

• 4 tbsp olive oil
• 1 minced onion
• 1 minced clove of garlic
• 6 thinly sliced potatoes , peeled
• 2 qt (1.89 liter) of cold water
• 0.5 lb (227 g) of thinly sliced linguica sausage
• 2 tsp salt
• ground black pepper to taste
• 1 lb (454 g) of kale , rinsed and thinly cut or julienned