- 2 tablespoons olive oil
- 1 cup chopped yellow onion
- 1 lb. 90% lean ground beef -or ground lamb
- 2 teaspoons dried parsley leaves
- 1 teaspoon dried rosemary leaves
- 1 teaspoon dried thyme leaves
- 1/2 teaspoon salt
- 1/2 teaspoon ground black pepper
- 1 tablespoon Worcestershire sauce
- 2 garlic cloves -minced
- 2 tablespoons all purpose flour
- 2 tablespoons tomato paste
- 1 cup beef broth
- 1 cup frozen mixed peas & carrots\*
- 1/2 cup frozen corn kernels
- 1 1/2 - 2 lb. russet potatoes -about 2 large potatoes peeled and cut
- 8 tablespoons unsalted butter -1 stick
- 1/3 cup half & half
- 1/2 teaspoon garlic powder
- 1/2 teaspoon salt
- 1/4 teaspoon ground black pepper
- 1/4 cup parmesan cheese
- Add the oil to a large skillet and place it over medium-high heat
- Add the ground beef (or ground lamb) to the skillet and break it
- Add the Worcestershire sauce and garlic. Stir to combine. Cook for 1
- Add the flour and tomato paste. Stir until well incorporated and no
- Add the broth, frozen peas and carrots, and frozen corn. Bring the
- Set the meat mixture aside. Preheat oven to 400 degrees F.
- Make the potato topping.
- Place the potatoes in a large pot. Cover the potatoes with water.
- Drain the potatoes in a colander. Return the potatoes to the hot
- Add butter, half & half, garlic powder, salt, and pepper. Mash the
- Add the parmesan cheese to the potatoes. Stir until well combined.
- Assemble the casserole.
- Pour the meat mixture into a 9x9 (or 7x11) inch baking dish. Spread
- If the baking dish looks very full, place it on a rimmed baking