Fred Hardy,

A container of vibrant pesto takes this easy skillet lasagna recipe to new heights.

The refrigerated varieties taste fresher and more full of flavor.

This creamy,pesto-forwardlasagna is one for the books.

Pesto skillet lasagna ready to serve,

Photo:Fred Hardy,

A cast iron skillet retains heat well, plus its oven- and broiler-safe.

An enameled cast iron skillet also works perfectly for this recipe.

This recipe was developed by Melissa Gray.

Heat oil in a 10-inch broiler-safe skillet over medium-high.

Working in 2 batches, cook spinach, tossing constantly, until tender and wilted, about 2 minutes.

Transfer to a bowl.

Reduce heat to medium.

Melt butter in skillet.

Add flour; cook, whisking constantly, until light brown, about 2 minutes.

Whisk in warm milk; cook, whisking constantly, until thickened, 3 to 4 minutes.

Whisk in pesto and salt.

Return spinach to skillet and stir in 3/4 cup water.

Using tongs, add lasagna noodle pieces, submerging them in sauce.

Bring to a boil.

Reduce heat to medium-low and cover; simmer until noodles are just tender, 14 to 15 minutes.

Stir together ricotta and lemon zest in a medium bowl.

Dollop over cooked noodle mixture in skillet.

Transfer skillet to oven.

Broil until cheese is melted and lightly browned, about 2 minutes.