1. Place potatoes, carrots, jalapeno pepper and garlic cloves in a large pot. Cover with water, and bring to a boil over high heat. Cook 15 to 20 mins or until potatoes are tender. Drain water from pot.
2. Stir in butter. Mash this mixture using a potatoe masher until the butter is melted, and the potaotoes have reached the desired consisistency.
3. Mix in cheese, corn, salt and pepper to taste.
4. Serve hot, and ENJOY!