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roasted brussel sprout & caramelized onion whole wheat pasta bake

roasted brussel sprouts and caramelized onions combine with four different kinds of cheese to bring a burst of flavor to this easy, wholesome pasta bake!
Prep Time10 mins
Cook Time20 mins
Total Time30 mins
Course: Main Course
Author: Cait


  • 1 lb whole wheat pasta (such as penne)
  • 16 oz whole fresh brussel sprouts (about 1.5 cups)
  • 1 medium onion (or 2 small), diced
  • 2 cloves garlic, peeled & minced
  • 2/3 cup whole milk ricotta cheese
  • 2/3 cup finely shredded mozzarella cheese
  • 2/3 cup finely shredded fontina cheese
  • 1/3 cup finely shredded parmesan cheese
  • Olive oil
  • Salt & pepper to taste


  • Preheat oven to 425 degrees F and grease a large casserole dish.
  • Halve brussel sprouts then toss with minced garlic, salt, pepper and a hefty drizzle of olive oil then place on a baking sheet and put in the oven for 20-25 minutes or until lightly browned and tender.  Keep oven on once removing brussel sprouts as you'll use it in the last step.
  • While brussel sprouts roast, cook pasta according to package instructions.
  • Once pasta is cooking, place a non-stick sauté pan over medium heat and add another hefty drizzle of olive oil.  Add onions and sauté until they are a nice golden brown color (about 10 minutes).  Once cooked to golden brown, remove from heat & set aside.
  • Mix together shredded mozzarella, fontina & parmesan cheeses and set aside.
  • Drain pasta, place back into the pot and drizzle with olive oil.  Add in roasted brussel sprouts and caramelized onions.  Fold in ricotta with a rubber spatula making sure everything is coated with the ricotta.  Add most of the cheese mixture (reserving a handful or two for the topping) and toss to combine.
  • Pour entire mixture into the prepared casserole dish, top with remaining cheese and pop back into the oven until cheese melts (about 5-10 minutes depending on your oven). 


Note: If saving some for leftovers, drizzle with olive oil after reheating as pasta can dry out a bit.