Shepherd's Pie, Lightened Up

Yukon Gold potatoes, peeled, diced

fat free chicken broth

reduced fat sour cream

salt and pepper

paprika

95% lean ground beef

oil

medium onion, diced

celery stalk, chopped

garlic, diced

mushrooms, diced

frozen mixed vegetables (carrots, corn, peas, green beans, baby lima beans)

flour (or use GF flour)

fat free beef broth

tomato paste

Worcestershire sauce

freshly chopped rosemary leaves

freshly chopped thyme leaves

kosher salt and pepper