INGREDIENTS
•
1
•
pound
•
fresh or frozen cheese tortellini
•
1
•
cup
•
frozen peas
•
4
•
tablespoons
•
(1/2 stick) unsalted butter
•
1
•
small bunch flat-leaf spinach, thick stems removed (about 6 cups)
•
1
•
medium beefsteak tomato, coarsely chopped
•
1
•
teaspoon
•
finely grated lemon zest, plus 1 tablespoon lemon juice
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kosher salt and black p