This is a classic recipe for Shepherd’s Pie, a traditional Irish dinner made with any type of leftover meat but usually beef or lamb, a mix of veggies, gravy, and mashed potatoes to top things off.
Peel and boil potatoes in a large pot over medium-high heat until soft; about 10-15 minutes. Drain and return potatoes to pot.
Beat in butter, sour cream, salt, pepper and parsley until smooth.
Cook ground beef, peas, carrots, and onion for
5-7 minutes over medium-high heat.
Add rosemary and gravy then salt and pepper to taste. Bring to a boil them remove from heat; stirring frequently.