- Weightwatcher's Meatloaf - 2 lbs ground chuck - 1 large size jar chunky salsa - 1 tsp salt - 1 tsp black pepper - handful of shredded fat-free cheddar cheese - 1 cup oatmeal - Mix together ground beef, salsa, oatmeal, salt, and pepper. Place in casserole dish. - Cook on 350°F for one hour. Ten minutes before removing from oven, sprinkle top with cheese and bake until cheese is bubbly and lightly browned.