Southwest Macaroni and Cheese Casserole

Easy Southwest Macaroni and Cheese Casserole |

It’s been at least a few years since I’ve stocked boxes of macaroni and cheese in the pantry, but we visited Grocery Outlet for the first time recently and Phil insisted on grabbing a couple boxes of Horizon organic mac. This stuff was apparently one of his kitchen staples before he went and married a food blogger and there’s something about Grocery Outlet that makes you put lots of random things in your cart, whether you need them or not.

Easy Southwest Macaroni and Cheese Ingredients |

I had never tasted this organic mac and cheese since I’ve always been pretty loyal to the bright orange Kraft version on the occasions that I’m craving food from a box. But last night, home alone and hungry, curiosity got the better of me and I started to wonder how this brand compared to my childhood favorite.

Easy Southwest Macaroni and Cheese Step-by-Step |

But as soon as I made the decision to try it, I started thinking about how I could change it, because I just can’t help doing that. I had about a cup of cooked black beans in the fridge that really needed to be eaten and I decided that instead of eating them on the side, I’d just stir them into the mac and cheese. And once I decided that, the corn and shredded pepper jack cheese just seemed like a natural fit. And then I remembered I had a few pickled jalapeños left over from a can I opened last week so I added one of those as well. And onions and sour cream? Well, why not.

Easy Southwest Macaroni and Cheese Casserole |

So, I combined all those things, increased the milk and butter a bit so it wouldn’t dry out when I baked the whole thing with cheese on top, which of course had to happen. At this point, I was thinking to myself why on earth didn’t you just make macaroni and cheese from scratch? But the end result was pretty good, even if I still have no idea how the Horizon organic mac and cheese compares to the Kraft version. I’ll have to ask Phil to make the other box for me one night since I obviously can’t be trusted to follow the directions.

Easy Southwest Macaroni and Cheese Casserole |

Southwest Macaroni and Cheese
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1 box Horizon Pasta Shells & White Cheddar (or boxed mac and cheese of your choice)

3/4 cup frozen corn

1 cup cooked and drained black beans (from a can is fine)

1 whole pickled jalapeno, minced (or canned green chiles)

3 tablespoons butter, divided

1/4 medium onion, minced, about a quarter cup

1/2 cup milk (whatever you normally use is fine, I used whole)

2 tablespoons sour cream

3 ounces pepper jack cheese (I used Tillamook Habanero Jack)


Preheat oven to 375 degrees. Grease a square casserole dish (8x8 or 9x9) with nonstick spray.

Boil pasta according to package directions but stop cooking one minute earlier than suggested (for Horizon cook 9 minutes). Pasta will finish cooking in the sauce. Drain pasta and put it in a large mixing bowl. Add the frozen corn and toss while the pasta is still hot, which will defrost it. Stir in the beans and chiles as well and set aside.

Return the pasta pot to the stove and melt one tablespoon of butter over medium-low heat. Add the onions and cook, stirring occasionally, until softened and just starting to lightly brown, 5-7 minutes. Add milk and remaining two tablespoons of butter and turn heat up to medium. Stir milk until the butter melts then turn off the heat and whisk in the cheese packet and two tablespoons of sour cream.

Pour sauce over pasta then add half of the shredded cheese and stir everything until well combined. Pour pasta mixture into the greased casserole dish and sprinkle with the remaining cheese. Bake in preheated 375 degree oven for 20-25 minutes, until cheese is melted and pasta is bubbling around the edges

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  1. Kelsey @ Snacking Squirrel

    totally a southwest mac and cheese. totally delicious.

    4:24 pm  Mar 10th, 2015
  2. Ava H

    This looks so amazing! I love mac & cheese and can’t wait to try this! I’m adding the ingredients to my grocery list for my next shopping trip!

    1:45 pm  Apr 14th, 2015
  3. Aga

    Pasta is one the most popular dishes throughout the world. The addition of Mac and Cheese really makes it appetizing. Keep up posting Wonderful Pasta recipes 🙂

    11:32 pm  Apr 18th, 2015
  4. Amber Harding

    Now that’s what I call tasty and satisfying food! Nutritious as hell.

    5:22 am  May 5th, 2015
  5. Kirsty

    This looks delicious! Something that I would make! I own a British brand super market online and looking for new things to add!

    4:35 am  May 14th, 2015
  6. Cavs

    The just looks delicious. Will try preparing a Southwest Macaroni and Cheese this weekend. Thank you.

    5:34 am  May 21st, 2015
  7. Caroline Mwangi

    Wow..super amazing, Love trying new recipes. Now getting Sour Cream in the country I leave in is not easy, any ideas for a substitute?

    11:42 pm  Jun 3rd, 2015
  8. aakanksha soni

    That’s and healthy touch to classic mac and cheese recipe.. I am a corn and cheese lover so this recipe is a must try for me .
    I am gonna add some herbs too 🙂

    2:05 am  Jun 9th, 2015
  9. nath

    This looks delicious, mac and cheese is one of my favourite comfort foods.
    I Like your thinking with the jalepeno, I always add a good splash of tobasSco with mine.
    Great recipe, thanks for sharing!

    6:37 am  Jun 23rd, 2015
  10. Sweets Cart

    This looks amazing. Definitely going to have to try this myself.

    2:30 am  Jul 1st, 2015
  11. Rocky

    Nice recipe, Surely gonna try today.. My mouth watering after i see the recipe and photographic presentation of macaroni

    4:42 am  Jul 20th, 2015
  12. Sailu

    I so love adding corn to my mac and cheese and a dash of nutmeg which adds oodles of flavor.

    4:02 am  Aug 7th, 2015
  13. Mahée Ferlini

    This looks like a nice twist to a classic recipe. I can see a lot of potential to get creative with this dish. I thought the black beans and corn were a great addition. Thank you for sharing!

    12:21 am  Aug 12th, 2015
  14. vyom

    nice mouth watering recipe. i have my own grocery store so no waiting i m going to make it now

    12:02 pm  Aug 23rd, 2015
  15. Ronny

    This reminds me of sothiemng I’ve made a few times that I love. It’s a store-bought pizza crust, with sauce spread over it (BBQ, marinara or whatever you prefer) and leftover homemade mac n cheese crumbled on top. A little extra shredded cheese and some time in the oven and you have awesome mac n pizza.

    8:35 pm  Oct 13th, 2015
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