Amazing Keto Tuna Casserole: 7g Carbs

Oh, you are going to LOVE this Keto Tuna Casserole! Seriously, if you’re trying to keep things low-carb but still want that cozy, comforting meal that just hits the spot, this is IT. I whipped this up on a whim last Tuesday when I was totally craving something cheesy and creamy but didn’t want to derail my whole keto thing. And wow, it delivered! It’s so ridiculously easy, you barely have to think about it. Plus, it uses some super simple pantry staples, so no fancy grocery runs needed. This is the kind of dish that makes keto feel like a treat, not a restriction, and my family gobbled it up so fast!

Why You'll Love This Keto Tuna Casserole

This recipe is a total winner for so many reasons! It’s honestly the perfect solution when you need a super quick dinner that still feels like a treat. You get all that yummy, comforting flavor without any of the carb guilt. Trust me, it’s become a staple in my rotation for those busy nights!

• Quick and easy weeknight meal: Seriously, you can have this on the table in under an hour.
• Satisfies cravings for comfort food: It’s creamy, cheesy, and just plain delicious.
• Low in carbs and keto-approved: Fits perfectly into your low-carb lifestyle.
• Simple ingredients, big flavor: No complicated steps or fancy ingredients needed, just pure deliciousness.

Gathering Your Keto Tuna Casserole Ingredients

Alright, let’s get down to business and talk about what you’ll need to make this dreamy Keto Tuna Casserole! It’s really all about simple, wholesome ingredients that come together to make something truly special. Don’t worry, nothing too complicated here, just good stuff that tastes amazing and keeps you on track.

Core Ingredients for Your Keto Tuna Casserole

• 1 (5 ounce) can tuna, drained
• 1 head cauliflower, cut into florets
• 1 cup shredded cheddar cheese, divided
• 1/2 cup heavy cream
• 1/4 cup mayonnaise
• 1 tablespoon Dijon mustard
• 1/4 teaspoon salt
• 1/4 teaspoon black pepper
• 1/4 cup chopped fresh parsley (optional)

Ingredient Notes and Substitutions for Keto Tuna Casserole

A few notes on these ingredients to make your life easier! Make sure that tuna is nice and drained – nobody wants a watery casserole. And for the cauliflower, cutting it into florets means it cooks up perfectly tender. If you’re not a huge fan of cauliflower, or just want to switch things up, trust me, chopped zucchini works like a charm too! Just make sure it’s well-drained if you use that. The heavy cream and full-fat mayo are key for getting that super creamy texture that makes this dish so satisfying. And of course, you can always tweak that salt and pepper to your own taste!

Step-by-Step Instructions for Your Keto Tuna Casserole

Okay, let’s get this amazing Keto Tuna Casserole into the oven! It’s really a straightforward process, so don’t stress about it. You’ll be enjoying this warm, cheesy goodness in no time at all. Just follow these simple steps and you’ll have a fantastic keto-friendly meal ready to go.

Preparing the Base of Your Keto Tuna Casserole

First things first, get that oven preheating to 375°F (190°C). While it’s warming up, let’s get our cauliflower ready. You can either steam or boil the florets until they’re nice and tender – this usually takes about 5 to 7 minutes. Make sure you drain them really well after they’re cooked; we don’t want any extra water making our casserole soupy! Once they’re drained, grab a big bowl. Toss in your drained tuna, the cooked cauliflower, half a cup of that shredded cheddar cheese, the heavy cream, mayonnaise, Dijon mustard, salt, and pepper. Give it all a good mix until everything is combined perfectly.

Assembling and Baking Your Keto Tuna Casserole

Now for the fun part! Take your greased 8×8 inch baking dish and pour that delicious tuna and cauliflower mixture right into it. Spread it out evenly so you have a nice base. Next, sprinkle the rest of that yummy cheddar cheese all over the top. This is where you get that perfect golden, bubbly crust! Pop that dish into your preheated oven and let it bake for about 20 to 25 minutes. You’ll know it’s ready when it’s heated all the way through and that cheese on top is gloriously melted and bubbly. If you’re feeling fancy, sprinkle on some fresh parsley right before serving. It adds a nice pop of color and freshness!

Tips for Perfect Keto Tuna Casserole Success

Making this Keto Tuna Casserole is already super simple, but here are a few little tricks to make sure it turns out absolutely perfect every single time. First off, that cauliflower really needs to be drained super well. If there’s too much water left, your casserole might get a little soupy, and nobody wants that! Give it a good shake after cooking. Also, don’t skip tasting the mixture before you put it in the oven. A little pinch more salt or pepper can make a world of difference! And for the ultimate creamy, dreamy texture, stick with full-fat mayonnaise and heavy cream. It really makes this keto comfort food shine!

Serving and Storing Your Keto Tuna Casserole

This Keto Tuna Casserole is best served piping hot, straight from the oven! If you’ve got some fresh parsley on hand, a little sprinkle over the top adds such a lovely touch of freshness and color. It really just elevates the whole dish. Now, if you happen to have any leftovers (which is rare in my house!), don’t worry. Just let the casserole cool down completely, then pop it into an airtight container and tuck it away in the fridge. It’ll keep nicely for up to 3 days. When you’re ready for round two, you can gently reheat it in the oven or even the microwave until it’s all warmed through again. It tastes almost as good the second time around!

Frequently Asked Questions About Keto Tuna Casserole

Got questions about this amazing Keto Tuna Casserole? I’ve got answers! It’s super versatile, and I know you’ll love it, but sometimes you just need a little clarification, right? Let’s dive in!

Can I use a different vegetable in this Keto Tuna Casserole? Oh, absolutely! While cauliflower is fantastic, I totally get wanting to switch things up. Chopped zucchini works wonderfully, or you could even try broccoli florets. Just make sure whatever you choose is cooked until tender and drained really well so it doesn’t make your casserole watery. It’s still going to be a delicious low carb tuna casserole either way!

Is this Keto Tuna Casserole gluten-free? Yep, you bet! This recipe is naturally gluten-free. There aren’t any grains or gluten-containing ingredients in here, which is one of the many reasons it’s such a great healthy keto tuna bake for so many people. For more gluten-free options, check out my other recipes!

How can I make this a creamy keto tuna casserole? Honestly, this recipe is already pretty darn creamy thanks to the heavy cream and full-fat mayonnaise we use! If you wanted to go *extra* creamy, you could add a touch more heavy cream or even a tablespoon or two of sour cream into the mix. But trust me, the base recipe is usually perfect for a creamy keto tuna casserole.

Can I meal prep this Keto Tuna Casserole? Absolutely! This is one of my favorite keto tuna casserole meal prep recipes. It stores and reheats beautifully. I often make a double batch on Sunday and have it for lunches throughout the week. Just store it in an airtight container in the fridge and reheat when you’re ready for a quick keto dinner!

Nutritional Estimate for Keto Tuna Casserole

Just a little heads-up on the nutritional info for this Keto Tuna Casserole! These numbers are estimates, of course, because how much you use and the exact brands can change things a bit. But this gives you a good idea of what you’re getting in each serving. It’s a great way to stay on track with your macros!

• Serving Size: 1 serving
• Calories: 350
• Fat: 28g
• Carbohydrates: 7g
• Fiber: 3g
• Protein: 18g

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