Step 1

In a medium sized skillet, heat the oil until shimmering. Add onions and cook 2-3 minutes. Add the mushrooms, ground lamb or beef, stirring to break it up about 5 minutes.

Step 2

Add garlic, thyme and Worcestershire sauce. Saute until meat is no longer pink.

Step 3

add beef broth, carrots and peas. Cook until broth is reduced and veggies are cooked

Step 4

Season to taste with salt and pepper

Step 5

Put meat mixure into a casserole dish. (You can also use a souffle dish or oval baking dish...something between 8"x8" and 13"x9").

Step 6

Top with 1/2 cup cheddar cheese.

Step 7

Spread or pipe mashed potatoes and top with remaining grated cheese. You'll want ridges or peaks in the potatoes. Top with remaining shredded cheese.

Step 8

Cover with foil and bake at 350 degrees F. for 45 minutes or until hot and bubbly and cheese is melted.