How to Make MJ's Shepard's Pie

Meat filling 2 tablespoons olive oil 1 cup chopped yellow onion 1/2 cup diced carrots 1/2 cup diced fennel 1 lb. 90% lean ground beef -or ground lamb 1 teaspoon dried rosemary leaves 1 teaspoon dried thyme leaves 1teaspoon garlic 1/2 teaspoon salt 1/2 teaspoon ground black pepper 1 tablespoon Worcestershire sauce 2 tablespoons cornstarch 2 tablespoons tomato paste 1/2 cup dry red wine 1 cup beef broth Potato Topping 2 lbs russet potatoes 1 stick of butter (no salt) 1/2 cup heavy cream 1/4 cup sour cream 1/2 teaspoon salt 1/4 teaspoon ground black pepper If potatoes are too thick then add a little beef broth to your liking and consistency