Spray large non-stick skillet with cooking spray and
add 1 teaspoon of the olive oil. Combine turkey
sausage with egg and lemon peel; mix lightly. Sprinkle
bread crumbs on shallow plate. Shape 1/4 of meat
mixture into flat patty and press into crumbs, lightly
coating both sides. Make 3 more coated patties with
remaining meat and crumbs. Brown patties in skillet
over moderate heat, for about 2 to 3 minutes. Add
remaining teaspoon of oil and turn to brown other side
evenly. Mix tomato sauce with herbs. Top each with
sauce and a slice of mozzarella.