Veggie lovers, if you like your vegetable pie less spicy, use regular diced tomatoes and leave out the red chile flakes. But if you want a killer combo of heat, tang and sweet, try my version. It's not your mother's Shepherd's Pie, Darling. Promise.

For the mashed potato crust:

3 large Russet potatoes, peeled, cut up

Vegetable broth, non-dairy milk, milk or cream, as needed

Ve...