Ingredients

Kosher salt

1 lb. pasta shells

3 tbsp. butter, plus 2 tbsp. melted butter, plus more for greasing

4 tbsp. cloves garlic, minced

3 tbsp. all-purpose flour

3 c. milk (preferably whole)

Freshly ground black pepper

2 c. (8-oz.) blocks cream cheese, cut into cubes

3 c. shredded mozzarella

1 1/2 c. freshly grated Parmesan, divided

2 (10-oz.) packages frozen chopped spinach, thawed and drained

2 (15-oz.) cans artichoke hearts, drained and chopped

1 c. panko bread crumbs

Preparation

Step 1Preheat oven to 375°. Butter a 9"-x-13" baking dish. In a large pot of salted, boiling water, cook pasta until al dente. Drain and set aside. Step 2In a large saucepan over medium high heat, melt 3 tablespoons butter. Add garlic and cook until fragrant, 1 minute. Add flour and cook, stirring, 1 minute. Pour in milk and continue whisking until combined. Season with salt and pepper. Let simmer until slightly thickened, 2 minutes. Stir in cream cheese until melted. Step 3Remove pan from heat and whisk in mozzarella and 1 cup of Parmesan. Continue whisking until melted and smooth. Stir in spinach, artichoke, and cooked pasta and transfer to prepared baking dish. Step 4In a small bowl, combine remaining 1/2 cup Parmesan with panko and melted butter. Sprinkle mixture over macaroni. Step 5Bake until bubbly and golden, about 30 minutes. Let sit 10 minutes before serving.