1. Mix ground beef, egg, almond flour, half and half, tomato paste, Worcestershire sauce, onion powder, garlic powder, salt, and pepper. 2. Form into four individual patties. Place a grill rack on to a sheet pan. Place the meatloaves on top of this so that the grease can drip down into the baking sheet.  3. Bake at 350F for 20 minutes.