Name: Keto Crab Mac and Cheese
Prep time: 5 min
Cook time: 30 min
Total time: 35 min
Ingredients: 1 cauliflower head (chopped into florets); 1 tbsp butter; 2 oz cream cheese; ¾ cup heavy whipping cream; 1 tsp dijon mustard; ¾ cup shredded cheddar cheese; 1½ cups shredded Italian cheese blend (or mozzarella ); 2 cans crab meat (drained of juice); 1 tbsp Old Bay Seasoning (or favorite seafood seasoning)

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Keto Crab cauliflower Mac n cheese is a great keto dinner casserole, whipped up easily for your next delicious meal.

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Table of Contents

Step 1: Roast Cauliflower

To begin, you’ll roast your chopped cauliflower florets and place them on a non-stick baking sheet or parchment paper.

Next, roast them at 400°F for about 10 minutes or until you see them start to get a little golden.

add roasted cauliflower to baking dish — roasted cauliflower florets

How many carbs are in cauliflower?

One cup of cauliflower has only 5g. carbs.

canned crab meat — canned crab is easy and effortless

Does canned crab have carbs?

Canned crab may have 1-2 g. carbs, but fresh crab has 0 carbs.

Be careful to not use imitation crab, as it can contain up to 13 g. carbs per serving.

How many carbs are in mac and cheese?

There are typically 44g. of carbs in a regular serving of mac and cheese.

This recipe is inspired by one of my favorite seafood mac and cheese recipe, but way lower in carbs.

creamy keto crab casserole with cheese — mix it up and add cheese sauce

Step 2: Add other ingredients for a cheesy crab mac bake

First, roast the cauliflower.

Meanwhile, melt butter and cream cheese over medium heat in a large pot.

Add in some dijon mustard, then shredded cheeses.

Next, mix and add crab and Old Bay seasoning, your favorite seafood or cajun seasonings.

Step 3: Pour cheesy goodness over roasted cauliflower & bake

Finally, add this mixture to your roasted cauliflower and bake.

keto cheese sauce for cauliflower mac — Did I mention cheese?!

What cheese should I use?

I used a blend of cheddar and Italian shredded cheese.

You may also use parmesan cheese, as it pairs well with crab.

Love creamy crab recipes? Also try this easy crab soup recipe.

casserole with cheddar crab cauliflower keto — Baked to perfection

Sides for crab mac

Grab a low-carb tortilla, cut into triangles and fry and a teaspoon of olive oil to make your own low carb tortilla chips for dipping into the casserole.

Toast and butter low carb bread as a side to this casserole or serve with parmesan-crusted zucchini chips.

Or, try a nice green veggie or side salad for this rich and creamy keto seafood mac and cheese.