"Ground beef and veggies are topped with creamy mashed potatoes to make this traditional Shepherd's Pie casserole, and it's so easy!..."
INGREDIENTS
•
2 tablespoons unsalted butter ((¼ stick))
•
1 pound 90% lean ground beef (or ground lamb)
•
1 yellow onion (diced)
•
1½ cups frozen mixed vegetables
•
2 cloves garlic (minced)
•
2 tablespoons tomato paste
•
2 tablespoons all-purpose flour
•
1 tablespoon chopped fresh thyme
•
2 teaspoons chopped fresh rosemary
•
½ teaspoon kosher salt
•
½ teaspoon ground black pepper
•
1 cup low-sodium beef stock
•
2 pounds russet potatoes (peeled and cut into large cubes)
•
½ cup heavy cream
•
¼ cup milk
•
¼ cup freshly shredded Parmesan cheese
•
3 tablespoons unsalted butter (room temperature (⅜ stick))
•
½ teaspoon kosher salt
•
¼ teaspoon ground black pepper