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Low Carb Shrimp Alfredo {THM-S, Low Carb}

July 27, 2021 By Sarah Hardy 7 Comments

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A comforting take on a classic favorite Italian dish, this creamy keto shrimp alfredo recipe is sure to please your entire family!

Super creamy, rich, and satisfying, this Shrimp Alfredo recipe is both low-carb and keto, as well as a Trim Healthy Mama S Fuel!

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This is a dinner that is nice enough to serve to company, and easy enough to make on a busy weeknight!

keto shrimp alfredo with spaghetti squash

Is Shrimp Alfredo keto-friendly?

Most Shrimp Alfredo dishes that you would order at a restaurant are served over traditional pasta. 

Those pasta dishes are not keto-friendly (or Trim Healthy Mama friendly), but this Creamy Shrimp Alfredo Recipe uses spaghetti squash in place of the traditional pasta, so this particular recipe is keto-friendly! (And this recipe is a Trim Healthy Mama S fuel.)

shrimp alfredo ingredients on marble surface

Is shrimp expensive?

I know shrimp can sound like an expensive entree, but truly it can be an economical choice.

I can purchase a large bag of small pre-cooked shrimp at Walmart for less than $10. 

I only used half for this recipe, so we can get two meals out of one bag. That sounds like a decent deal for me, but I still tend to reserve shrimp for special occasions (I guess it’s just all in my head)!

My family really enjoyed this dinner, and the first time I served it, I served it over Dreamfields Pasta.

shrimp alfredo with spaghetti squash

Is Dreamfields Pasta Trim Healthy Mama friendly? 

I know there are mixed feelings about Dreamfields, but the official THM stance is that it is okay as a personal choice item once per week

Dreamfields pasta has a special coating on it that keeps your body from digesting it as a carb.

This is what THM’s call a “frankenfood” because it is not a whole complete food. Some people can eat it every week and do fine, while others cannot.

It’s best to learn what your body will do and adjust accordingly. 

I haven’t had any problems using it, but if you are uncomfortable with it, serve this Creamy Shrimp Alfredo over zoodles (zucchini noodles) or spaghetti squash. 

I love using spaghetti squash as a substitute for pasta!

creamy shrimp alfredo in spoon with saucepan

Is spaghetti squash keto?

Yes, spaghetti squash is keto-friendly! One cup of spaghetti squash has 42 calories, 10 grams of carbs, and 2 grams of fiber for a total of 8 net carbs per cup.

For a pasta substitute, that is pretty great!

Plus, spaghetti squash is a good source of Vitamin C and Vitamin B6!

This makes cooked spaghetti squash the perfect choice for Spaghetti Squash Shrimp Alfredo!

How to Make Keto Shrimp Alfredo

You’ll begin by melting the butter in a skillet over medium heat.

melting butter for shrimp alfredo in skillet

Then add the half & half, heavy cream, and salt and onion, and garlic powders.

alfredo sauce with parmesan in skillet

Heat this until it just begins to simmer, then add the grated parmesan and sprinkle the glucomannan powder over the mixture, while whisking it well.

keto alfredo sauce simmering in skillet

Then add the shrimp and let simmer until the alfredo sauce thickens.

keto alfredo sauce with shrimp in skillet

Can I use Xanthan Gum to replace glucomannan?

While xanthan gum is not always a 1:1 substitute for glucomannan, it should work in this case. Xanthan can tend to be a little slimy, so you could start with a little less, then add more if you need it. 

Can I use powdered Parmesan Cheese instead of grated cheese to make Alfredo Sauce?

Yes, I do not use freshly grated parmesan in this recipe, although you certainly could if it’s what you have on hand!

I typically use the powdered Parmesan (you know, the kind in a green can). 

creamy shrimp alfredo with spaghetti squash

Can I make this into a Shrimp Alfredo Bake?

Absolutely! To make this Keto Shrimp Alfredo into a baked dish, simply combine the alfredo mixture with 1-2 cups of shredded spaghetti squash and place it in a 2 quart casserole dish.

Top with a sprinkle of parmesan cheese and bake at 350 until hot and bubbly!

Can I make this into Keto Shrimp and Broccoli?

Sure! Simply add steamed broccoli to your alfredo mixture before you serve it! Broccoli is my favorite vegetable to add to keto alfredo sauce!

More Keto Shrimp Recipes

Keto Shrimp Taco Lettuce Wraps

Keto Jambalaya

More Keto Alfredo Recipes

Homemade Keto Alfredo Sauce in 15 Minutes

The Best Low Carb Chicken Alfredo Pizza

Low Carb Alfredo Chicken Casserole

Broccoli Alfredo Soup with Sausage

Speedy Zucchini Bacon Alfredo

plated shrimp alfredo with spaghetti squash
creamy shrimp alfredo with spaghetti squash

Keto Shrimp Alfredo

A comforting take on a classic favorite Italian dish, this creamy keto shrimp alfredo recipe is sure to please your entire family!
5 from 2 votes
Print Pin Rate
Course: Main Course
Cuisine: Italian
Cook Time: 20 minutes minutes
Servings: 4 Servings
Calories: 594kcal
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Ingredients

  • 3 Tablespoons Unsalted Butter
  • 2 Cups Half & Half
  • 1 Teaspoon Garlic Powder or minced garlic
  • ½ Teaspoon Onion Powder
  • ½ Teaspoon Mineral Salt
  • 1 Cup Heavy Cream
  • 1 Cup Grated Parmesan Cheese the kind in the green can
  • ¾ Teaspoon Glucomannan Powder
  • 12 ounces Small Shrimp, cooked about 2 Cups
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Instructions

  • In a large skillet, melt butter over medium heat.
  • Add Half & Half, spices, and Heavy Cream.
  • Heat until almost simmering, then add Parmesan.
  • Heat until simmering, then slowly sprinkle Glucommannan Powder over the Alfredo mixture, whisking well to keep from clumping.
  • Add shrimp and continue to simmer until mixture thickens.
  • Serve over Dreamfields Pasta, zucchini noodles, or spaghetti squash.

Video

Notes

The Glucomannan will cause this to thicken more and more the longer it sits. Simply re-heat it to thin it out a bit.
The nutritional information is for 4 servings, without spaghetti squash.
To lower the calorie and fat count, you could use one cup of unsweetened almond milk in place of one of the cups of half and half.

Nutrition

Calories: 594kcal | Carbohydrates: 6g | Protein: 12g | Fat: 52g | Fiber: 1g

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    Recipe Rating




  1. Danielle

    August 31, 2017 at 11:43 am

    How many servings is this?

    Reply
    • Sarah Hardy

      September 14, 2017 at 9:03 am

      You should get 4 generous servings or 6 smaller servings.

      Reply
  2. Renita

    November 01, 2018 at 4:10 pm

    5 stars
    This looks really good. But isnt this more of a cross over meal with the heavy cream and cheese, then pasta etc?

    Reply
    • Sarah Hardy

      November 02, 2018 at 8:34 am

      Hi Renita, this recipe uses Dreamfields noodles, which are a Personal Choice item for Trim Healthy Mamas. The noodles can be used in any fuel setting, so this recipe is still an S. (The noodles have a special coating on them that keeps your body from absorbing them as a carb source.)

      Reply
  3. PJ

    July 17, 2019 at 9:39 pm

    5 stars
    Super easy and amazingly yummy recipe! Thank you for posting it! Hubby and I are looking forward eating the other half of the recipe in a few days, this time over zucchini noodles so we don't overdo the pasta.

    Reply

Trackbacks

  1. Low Carb Alfredo Chicken Casserole | My Montana Kitchen says:
    February 10, 2018 at 11:02 pm

    […] looking for other Alfredo recipes, you can check out my Speedy Zucchini Bacon Alfredo recipe or my Low Carb Shrimp Alfredo […]

    Reply
  2. The Best Low Carb Chicken Alfredo Pizza | My Montana Kitchen says:
    November 28, 2018 at 1:16 pm

    […] Low Carb Shrimp Alfredo […]

    Reply

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