Sweet Potato Shepherd's Pie

This delicious recipe is from my friend, Natalie.

Topping:
2 pounds sweet potatoes or yams
1 cup milk
1/2 cup grated Parmesan cheese

2 lbs ground beef
2 cups chopped onion
2 cups frozen mixed veggies
3 garlic cloves, minced
1/2 cup crushed tomatoes (or diced)
2 tablespoons steak sauce
2 tablespoons tomato paste

Optional spices for meat:
1/4 tsp chili pepper
1/4 tsp paprika
dash nutmeg
1/4 tsp cumin
1/8 tsp ginger

Pre-heat oven to 400 degrees.

Boil the potatoes until tender. Mash and mix with milk and cheese.

Heat oil in a skillet. Add garlic and onion and saute a few minutes. Add beef and brown. Add the veggies and remaining ingredients. Cook until warm.

Pour skillet into a sprayed baking dish. Top with mashed potatoes.

Bake for 30 minutes or until thoroughly heated.