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    Home » Recipes » Entree

    Caramelized Onion and Bacon Pasta Bake

    Published: Feb 24, 2021 by Fox Valley Foodie · This post may contain affiliate links

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    Cheesy Caramelized Onion and Bacon Pasta Bake Recipe

    This cheesy caramelized onion and bacon pasta bake will entrance your taste buds with an enticing combination of rich, sweet, and smoky flavors in each forkful. The sweetness of caramelized onions really counters the deep smoky flavor of the crisp bacon nicely, while it all dances on the nutty backdrop of melted provolone cheese!

    Cheesy Caramelized Onion and Bacon Pasta Bake

    Ingredients you will need

    • Penne noodles - Other similarly sized noodles can be substituted.
    • Bacon
    • Onions - You will need 3 large onions to yield 2 cups of caramelized onions. Don't get overly concerned if your end up with a slightly different amount though.
    • Butter
    • Mayo
    • Sour cream
    • Provolone cheese - I think provolone is best for this dish, but you can substitute Monterey Jack, or Mozzarella if needed.
    • Seasonings - Garlic powder, salt, and black pepper.

    How to make it

    Begin by caramelizing your onions over medium heat until they are tender and sticky. Don't rush this step. Plan on this taking thirty minutes or more.

    While onions are caramelizing, prepare your bacon by crisping it in a skillet. I like to chop the bacon prior to cooking, which seems to help it crisp more evenly. Once crisp, remove the bacon from the grease and set it aside.

    Cook the penne pasta according to the instructions on the package, and prepare the sauce by mixing together the mayo, sour cream, black pepper, and garlic powder.

    Once all of the ingredients have been prepped, the onions, bacon, noodles, and cheese can all be combined with the sauce. This can be poured into a lasagna pan and topped with one cup of shredded provolone. Finally, bake in a 375 degree oven for 20 minutes.

    Tip: Turn on the broiler for the last few minutes to brown the cheese nicely.

    Tips for making the best caramelized onions

    The key to this meal is making fantastically sweet and sticky caramelized onions. The best caramelized onions aren't simply sauteed, they are slowly cooked to extract every last bit of sugar from the onion. Finally, to ensure no morsel of flavor is left behind, the pan gets deglazed with a liquid such as water, wine, brandy, or balsamic vinegar.

    Tip: Each deglazing liquid I mentioned works well, but balsamic vinegar and brandy are my favorites.

    When deglazing the onion skillet, be sure to vigorously scrape the bottom of the pan to loosen any cooked-on bits of fond. As the liquid evaporates all of the flavor will soak into the onions.

    Whenever I caramelize onions I always use my straight walled saute pan. The straight sides allow for more surface area on the bottom of the pan, while also doing a better job ensuring the onions do not fall out of the pan during stirring.

    For an even more in-depth discussion on concocting phenomenal caramelized onions please take a look at the detailed caramelized onion tutorial I have written.

    Cheesy Caramelized Onion and Bacon Pasta Bake

    FAQs

    How long does it take to caramelize onions?

    To properly caramelize onions, expect to cook them 30-45 minutes. You cannot rush this or they won't truly caramelize. It is through this slow cooking process that the sugar is gently coaxed out.

    What is the difference between caramelized onions and sauteed onions?

    Carmelized onions are slowly cooked for a considerably longer prior of time to extract the sugar from the onion, making them wonderfully sweet and sticky. Sauteed onions are quickly cooked in a skillet only until tender.

    What onions are best for caramelizing?

    You can caramelize any onion. However, I recommend sweet onions due to their higher sugar content. Traditional yellow onions are my second choice.

    More ways to enjoy Caramelized Onions

    • Caramelized Onion Burgers Recipe
      Caramelized Onion Burgers with Balsamic Mayo
    • Baked Caramelized Onion Dip with Gruyere Cheese
      Baked Caramelized Onion Dip with Gruyere Cheese
    • Homemade French Onion Dip
      Homemade French Onion Dip
    • French Onion Pot Roast
    Cheesy Caramelized Onion and Bacon Pasta Bake Recipe
    Cheesy Pasta and Caramelized Onion Pasta Bake

    Cheesy Caramelized Onion and Bacon Pasta Bake

    This Cheesy Caramelized Onion and Bacon Pasta Bake will entrance your taste buds with an enticing combination of rich, sweet, and smoky flavors in each forkful.
    5 from 1 vote
    Print Pin Rate Save Saved
    Course: Entree
    Cuisine: Italian
    Prep Time: 30 minutes minutes
    Cook Time: 25 minutes minutes
    Total Time: 55 minutes minutes
    Servings: 8 servings
    Calories: 797kcal
    Author: Fox Valley Foodie

    Ingredients

    • 16 ounces penne noodles
    • 16 ounces bacon
    • 2 cups caramelized onions 3 large onions
    • 2 tablespoons butter
    • ¾ cup mayo
    • ¾ cup sour cream
    • 2 cups shredded Provolone cheese divided
    • 1 teaspoon garlic powder
    • fresh ground pepper to taste
    • salt

    Instructions

    • Preheat oven to 375 degrees.
    • Slice 3 large onions into strips and caramelize with butter in a skillet set over medium heat for 30-45 minutes, or until tender and sticky. Once finished, deglaze the pan with ¼ up of liquid* while scraping the bottom to losen any cooked on fond. Cook until the liquid evaporates.
    • Cut bacon into 1" chunks and cook until crisp, set aside.
    • Boil pasta in salted water, one minute shy of al dente. (~10 minutes, but refer to package instruction)
    • In large bowl combine mayo, sour cream, garlic powder and pepper in a bowl and stir to combine.
    • Add bacon, 1 cup of Provolone cheese and caramelized onions and stir further.
    • Finally mix in noodles.
    • Pour pasta and sauce into a lasagna pan, sprinkle with remaining 1 cup of cheese and bake uncovered in oven for 20 minutes.
    • Turn broiler on for final 2-5 minutes and broil till cheese is browning slightly, monitoring closely.
    • Let pasta rest for 5 minutes and serve.

    Notes

    *Deglaze the caramelized onions with your choice of water, wine, brandy, or balsamic vinegar.
    Check out my caramelized onions recipe for detailed tips to make them properly. 

    Nutritional Information

    Calories: 797kcal | Carbohydrates: 50g | Protein: 24g | Fat: 55g | Saturated Fat: 20g | Trans Fat: 1g | Cholesterol: 88mg | Sodium: 846mg | Potassium: 410mg | Fiber: 3g | Sugar: 5g | Vitamin A: 548IU | Vitamin C: 5mg | Calcium: 304mg | Iron: 1mg
    Tried this Recipe? Pin it Today!Mention @FoxValleyFoodie or tag #foxvalleyfoodie!

    This recipe was originally published on FoxValleyFoodie.com on October 1st, 2016.

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    Reader Interactions

    Comments

    1. Marisa Franca @ All Our Way

      October 01, 2016 at 2:56 pm

      Hi, Fox Valley Foodie!! I found you by your comment on Facebook concerning Nagi! She is a sweetheart and such a cheerleader for all of us. I really am liking your recipes and your photos are fantastic. I'm still working on mine since I just recently got a DSLR. Your story about your daughter is so sweet. I certainly remember when. Hope your weekend is going well. Happy October!!

      Reply
      • Fox Valley Foodie

        October 01, 2016 at 3:07 pm

        Thanks for stopping by Marisa! Nagi really is fantastic, there is so much we can learn from her! Getting a DSLR was one of the best random purchases I've ever made (I originally bought it for my wife, not my blog!), take time to learn how to use it and it will pay off huge dividends!

        Reply
    2. Don Calder

      October 01, 2016 at 12:07 pm

      I noticed the ingredients list for the recipe calls for 2 cups of Gruyere cheese, but in the instructions list one is asked to add 1 cup of Provolone cheese. I assume one could use either cheese interchangeably. Correct? I further assume, since there seems to be no further reference to the second cup of cheese, that it should be sprinkled on top of the mixture prior to baking. Correct?

      Reply
      • Fox Valley Foodie

        October 01, 2016 at 12:11 pm

        Thanks for catching that! I've corrected the recipe. I was originally going to use Gruyere but I switched to Provolone to make the recipe more accessible. However, either cheese would taste great! You are also correct, the final cup of cheese was meant to sprinkle over the top.

        Reply
    5 from 1 vote (1 rating without comment)

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