Keto Shepherd's Pie with mashed cauliflower topping
Cook diced onion and zucchini until they start to soften.
Add in the ground beef to the softened veggies and cook until completely browned.
Once browned, mix in Worcestershire, crushed tomato, and salt and pepper. Allow to simmer
Make mashed cauliflower by combining the steamed cauliflower, sour cream, heavy ream, and about a half cup of shredded cheese. Mix in a food processor until smooth.
Place the beef mixture into an oven safe pan. Top with the mashed cauliflower and the rest of the cheese.
Bake at 350° for 20-13 minutes