Ingredients:

2-1/2 pounds baking potatoes, peeled and cut into pieces
1/3 cup milk, warmed
3 tablespoons mild vegetable oil
2 tablespoons butter
salt, to taste
2-1/2 tablespoons Salsa de Aji Colorado a la Chilena or ground chili paste, such as the sambal oelek or harissa sauce

Methods:

1. Place the potatoes in a large saucepan,cover with salted cold water, and bring to a boil over high heat. Reduce the heat to medium,and cook until tender,15 to 20 minutes. Drain.
2. Press the potatoes through a food mil or crush with a potato masher.Return potatoes to the pan; add the warm milk,oil,butter,salt,and salsa de aji, and mix to combine.Serve at once.