Creamy Sliced Steak and Potatoes Recipe

Heat the vegetable oil in a skillet over medium heat. Stir in the onions and cook until they begin to soften about 3 minutes. Increase the heat to medium-high and add the sliced sirloin. Cook and stir until the meat is no longer pink and beginning to brown around the edges about 7 minutes. Add the potatoes cream of mushroom soup and milk. Bring to a simmer then reduce the heat to medium-low and simmer 10 minutes. Season to taste with salt and pepper before serving.