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1
Preheat oven to 350. Have a rectangular lasagna pan handy.
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2
In a saucepan, melt butter and add garlic.
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3
Stir in flour and cook until smooth.
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4
Gradually whisk in the milk until smooth.
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5
Stir in the parmesan cheese and ONLY 1 CUP of the mozzarella. Add dill. Stir until melted, smooth and thickened. SET ASIDE 1 CUP OF THIS SAUCE TO POUR OVER TOP OF FINISHED LASAGNA.
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6
In a small bowl, beat together ricotta, egg, salt, scallion and spinach (or broccoli).
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7
In a separate small bowl, toss together the shrimp and scallops.
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8
Spread a thin layer of the cheese sauce on the bottom of the lasagna pan.
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9
Place 3 lasagna noodles across the bottom.
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10
Spread 1/3 of the ricotta/spinach mixture over noodles.
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11
Sprinkle 1/3 of the shrimp/scallop combo over top.
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12
Spread 1/3 cheese sauce over that.
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13
Repeat these layers two more times.
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14
End with the last 3 lasagna noodles.
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15
Evenly top with the reserved 1 cup of cheese sauce and the remaining 1 cup of mozzarella cheese.
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16
Sprinkle chopped dark green parts of scallions over top; if desired.
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17
Cover with non-stick foil and bake for 45 minutes.
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18
Uncover and bake for an additional 15 to 20 minutes.
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19
Remove from oven and let rest for at least 20 minutes before cutting to serve.