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Hebrew National 97% Fat Free Beef Franks make a great low-fat breakfast sausage. 45 calories per 1-frank (49g) serving (15 calories from fat), compared to MorningStar Farms Vegetarian Sausage Links at 80 calories (25 calories from fat) per 2-link (45g) serving.
Brown them slowly in a frying pan like a link sausage. Their spices make them taste more like a breakfast sausage than a hot dog, esp. when pan-grilled this way.