Swap cauliflower for mac in our cheesy twist on a classic dish. Our imposter mac and cheese made with onion is sure to become a new family favorite.
Preparation Time
25 mins
Cooking Time
20 mins
Total Time
45 mins
Calories
321 Calories
Recipe Instructions
Step 1
Bake 20 to 25 minutes or until heated through, topping with remaining Cheddar for the last 5 minutes.
Step 2
Heat the oven to 375 degrees F (190 degrees C).
Step 3
Cook cauliflower in boiling water in large saucepan 4 minutes. Drain well.
Step 4
Melt 2 tablespoons margarine in large saucepan on medium heat. Add onions; cook and stir 3 minutes or until crisp-tender. Stir in flour and mustard; cook and stir 1 minute. Whisk in milk; cook 5 minutes or until thickened, frequently stirring. Remove from heat. Add 1 1/4 cups Cheddar and 3 tablespoons Parmesan; stir until Cheddar is melted. Add cauliflower; stir to evenly coat. Spoon into a 2.5-liter casserole dish sprayed with cooking spray.
Step 5
Microwave remaining margarine in medium microwaveable bowl 30 seconds or until melted. Stir in bread crumbs and remaining Parmesan; sprinkle over cauliflower mixture.