Lightened-Up Spinach and Artichoke Macaroni and Cheese

INGREDIENTS

box Artichoke hearts, frozen

bag Baby spinach

3 cloves

Garlic

Shallots, finely chopped (about 1/3 cup), medium

8 oz

Elbow pasta, whole-wheat

3 tbsp

All-purpose flour

Kosher salt and freshly ground black pepper

2 tbsp

Butter, unsalted

1 cup

Mozzarella, lightly packed part-skim

1/4 cup

Parmesan, lightly packed grated

1/2 cup

Skim milk

1/3 cup

Sour cream, reduced-fat

2/3 cup

Swiss cheese, lightly packed low-fat