Shepherd Pie for Pi Day and St Patrick

It's been raining all week and I was craving a little comfort food. Shepherd's Pie did the trick. A simple recipe passed down through our family.
Ground beef, seasoned and mixed with tomato soup on the bottom, topped with frozen green beans and peas and capped off with mashed potatoes and melted cheese. Bake for 20-40 min at 350 until bubbly.