Drain and set aside.
Meanwhile, heat oil in a large skillet over medium-high heat.
Gradually add spinach, stirring until wilted and adding 1 Tbsp.
water at a time, if needed.
Transfer the mixture to a large bowl.
Add tomatoes to the skillet and cook over medium-high heat until they begin to soften, about 1 minute.
Transfer to the bowl with the spinach mixture.
Reduce heat to medium and add butter to the pan.
When the butter has melted, whisk in flour, pepper, and the remaining 1/2 tsp.
Cook, whisking constantly, for 2 minutes.
Gradually whisk in milk and broth.
Cook, whisking, until thickened and bubbly, 1 to 2 minutes.
Gradually whisk in 3/4 cup cheese until melted.
Add the macaroni and sauce to the bowl with the spinach mixture; mix well.
Transfer to an 11x7-inch baking dish and sprinkle with the remaining 1/4 cup cheese.
Bake until the cheese is melted, 10 to 15 minutes.
- Daily Values (DVs) are the recommended amounts of nutrients to consume each day.
(-) Information is not currently available for this nutrient.
