Drain the potatoes and pat them dry. Toss with a tablespoon or 2 of olive oil and season lightly with salt and pepper. Lay them out in one layer on a lightly oiled baking sheet. Roast the potatoes until they are tender and starting to turn golden. This will take 35-45 minutes, and you'll want to flip them several times during baking so they cook evenly and don't stick.
Meanwhile heat a tablespoon of olive oil in a large skillet and sauté the onions until they are starting to take on a little color. Add the corned beef and butter and cook until the butter melts and everything is heated through. Season lightly with salt and fresh cracked black pepper.
When the potatoes are tender, add them to the skillet and stir-fry everything until hot. Go ahead and add a bit of extra butter if it seems at all dry. Taste to adjust the seasonings and then sprinkle with the fresh parsley. Serve asap with toast and eggs.
Nutritional information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although The View from Great Island attempts to provide accurate nutritional information, these figures are only estimates.
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