The SI base unit for mass is the kilogram. 1 kilogram is equal to 1000000 mg, or 1000000000 mcg. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between milligrams and micrograms.
1 Your potato shell should be about 1/4-inch thick. 2  Mash the potato pulp and add the milk, sour cream, butter, salt and pepper and stir together with a whisk. 3  Carefully add 1/4 cup of cheddar cheese, the black beans and the corn.
1 Slice each potato in half. Using a spoon, carefully scrape the potato filling out of each skin. I like to keep about a half inch of potato in each skin.  Place your oven on broil mode. Then place each potato skin facing up on a baking sheet and broil on low for 5 minutes.