Microwave potatoes in packaging 6 minutes. Let potatoes cool. Once cool, cut any larger potatoes in half or into 1/2" pieces. Quarter sausage into 1/2" pieces.
In a 12" cast-iron skillet, heat oil on medium-high. Add onion, potatoes, and sausage and cook 5 minutes, until potatoes are fully tender, stirring occasionally. Season with salt and pepper.
To skillet, add garlic and halved tomatoes. Cook 1 to 2 minutes, until garlic is fragrant and some of the liquid from tomatoes is released. Stir in greens, in batches if needed, and cook 2 minutes, until wilted. Serve immediately.
Hannaford fresh Magazine, September 2023