Homestyle Mashed Potatoes

Name: Homestyle Mashed Potatoes
Ingredients: 2 russet potatoes (large, peeled and diced. If using yukon gold, 3 potatoes.); 1/2 cup milk (I use whole for potatoes, but you can also use the milk or cream you prefer); 3 tbsp butter (room temp); garlic salt (big pinch, or kosher salt); black pepper (to taste)