Macaroni and Cheese with Cauliflower

By Erin Marie Harvanek

4.5 / 5

20min

30min

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1 (16 ounce) package elbow macaroni
1 head cauliflower roughly chopped
1 tablespoon olive oil
1 onion finely chopped
kosher salt
½ teaspoon ground black pepper
1 (8 ounce) package grated sharp Cheddar cheese
1 ½ cups reduced-fat sour cream
½ cup 1% milk
1 tablespoon Dijon mustard
1 cup bread crumbs
½ cup chopped fresh flat-leaf parsley