Delicious Broccoli and Tuna Bake

Featured in Hearty Main Courses.

Sauté onions and garlic in butter, add heavy cream and Parmesan. Combine tuna and broccoli in a casserole dish, pour sauce over, top with cheddar and crushed pork rinds. Bake at 330°F for 30 minutes.
Casey
Updated on Mon, 24 Mar 2025 04:15:17 GMT
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After countless attempts to create a tuna casserole that wasn't bland or boring, I stumbled upon this Broccoli and Tuna Bake that has since become my family's most requested weeknight dinner. What started as a desperate attempt to use up pantry staples during a busy week has evolved into a go-to comfort food that somehow manages to be both creamy and nutritious, satisfying everyone from my picky seven-year-old to my health-conscious husband.

Last month, my neighbor dropped by unexpectedly during dinnertime, and I insisted she stay. After tasting this casserole, she texted me at midnight asking for the recipe so she could make it for her book club the next day.

Essential Ingredients Guide

  • High-quality canned tuna makes a tremendous difference - after experimenting with various brands, I've found that solid white albacore packed in water provides the best texture and flavor
  • Fresh broccoli creates the perfect tender-crisp bite, though frozen works in a pinch when your produce drawer is looking sparse
  • The combination of sharp cheddar and parmesan cheeses creates depth of flavor that elevates this from ordinary casserole to something special
  • Crushed pork rinds might sound unusual, but they provide the perfect crunchy topping while keeping the dish low-carb - a trick I discovered during a keto phase that stuck around even after I returned to regular eating
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Creating Your Perfect Casserole

Sautéing Foundation

Start by properly cooking your onions and garlic in butter - I've learned that taking the extra few minutes to let the onions become truly translucent builds a flavor base that permeates the entire dish. My first attempts rushed this step, and the difference was immediately noticeable.

Sauce Magic

Whisk your cream and cheese continuously while cooking - through trial and error, I've discovered that constant stirring prevents any graininess and creates that silky-smooth sauce that makes this casserole so comforting. The first time I walked away for just a minute, I ended up with a separated, gritty mess.

Layering Strategy

Combine your tuna and broccoli thoroughly in the baking dish before adding the sauce - this ensures even distribution of ingredients in every bite. My earlier versions had pockets of just broccoli or just tuna, but this simple mixing step creates the perfect balance throughout.

Topping Perfection

Apply your cheese and pork rind topping evenly across the surface - I've found that this creates a beautiful golden crust that adds both visual appeal and textural contrast to the creamy interior. Plus, everyone fights over those extra-crispy corner pieces!

This recipe saved me during a particularly hectic week when my meal plan fell apart and I needed something nutritious that would please everyone without requiring a grocery store run.

Serving Suggestions

For a complete meal, I serve this alongside a simple green salad with vinaigrette dressing. During colder months, a slice of crusty bread for sopping up extra sauce makes it even more satisfying. For entertaining, individual ramekins create an elegant presentation that always impresses.

Creative Variations

Sometimes I add a handful of frozen peas for extra color and sweetness. When I'm feeling indulgent, crispy bacon bits sprinkled on top take this to another level entirely. During summer, fresh herbs from my garden - particularly dill and parsley - brighten up the flavor profile beautifully.

Storage Solutions

This casserole reheats beautifully, making it perfect for meal prep. I often make a double batch on Sunday to enjoy throughout the busy week. For best results when freezing, slightly undercook the initial bake, then finish cooking when reheating from frozen - this prevents any mushiness in the broccoli.

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Kitchen Wisdom

  • Letting the casserole stand for a few minutes after baking allows the sauce to thicken perfectly
  • If the top starts browning too quickly, tent with foil for the remainder of the baking time
  • A shallow, wider dish creates more surface area for that delicious crispy topping than a deep dish

What began as a simple weeknight dinner has become a comfort food staple in our home - the kind of reliable, satisfying meal that brings everyone to the table with eager appetites. There's something magical about transforming humble ingredients into something so deliciously greater than the sum of its parts.

Frequently Asked Questions

→ Can I use frozen broccoli instead of fresh?
Yes, frozen broccoli works well in this recipe. Just make sure to thaw it first and squeeze out any excess moisture to prevent the casserole from becoming watery. There's no need to cook it before adding to the casserole as it will cook during baking.
→ What can I substitute for pork rinds to keep it low-carb?
For a low-carb alternative to pork rinds, you can use crushed almonds, crushed pecans, or a mixture of grated Parmesan with almond flour. If you're not concerned about carbs, traditional breadcrumbs or crushed crackers work well too.
→ Can I prepare this dish ahead of time?
Yes! You can assemble the entire casserole up to 24 hours in advance and keep it covered in the refrigerator. When ready to serve, allow it to sit at room temperature for about 30 minutes before baking, and you may need to add 5-10 minutes to the baking time.
→ What type of tuna is best for this recipe?
Both chunk light and solid white albacore tuna work well in this recipe. Choose tuna packed in water rather than oil for a lighter dish, especially since you'll be adding cream and cheese. Drain it well before using.
→ Can I add other vegetables to this casserole?
Absolutely! Cauliflower, spinach, mushrooms, or bell peppers would be delicious additions. Just make sure any vegetables with high water content (like spinach or mushrooms) are cooked and drained before adding to avoid excess moisture in the final dish.
→ How do I store leftovers?
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat individual portions in the microwave for 1-2 minutes, or reheat the entire casserole (covered with foil) in a 325°F oven until heated through, about 15-20 minutes.

Creamy Tuna Broccoli Casserole

A satisfying low-carb casserole combining flaky tuna and tender broccoli in a rich, cheesy sauce, topped with crispy crushed pork rinds for the perfect keto-friendly meal.

Prep Time
8 Minutes
Cook Time
30 Minutes
Total Time
38 Minutes
By: Casey

Category: Hearty Main Dishes

Difficulty: Easy

Cuisine: American

Yield: 4 Servings

Dietary: Low-Carb, Gluten-Free

Ingredients

→ Main Ingredients

01 15 oz. can of tuna, drained
02 2 cups broccoli, chopped
03 ½ red onion, chopped
04 1 clove garlic, minced

→ For the Sauce

05 3 tablespoons salted butter
06 ½ cup heavy cream
07 ½ cup Parmesan cheese, grated

→ For the Topping

08 ½ cup sharp cheddar cheese, shredded
09 ½ cup plain pork rinds, finely crushed

Instructions

Step 01

Preheat the oven to 330 degrees Fahrenheit (165°C).

Step 02

In a medium pan over medium heat, melt the butter. Add the chopped red onions and minced garlic. Cook until the onions are soft and translucent, and the garlic is fragrant.

Step 03

Add the heavy cream and grated Parmesan cheese to the pan with the onions and garlic. Cook, stirring constantly, until the mixture is bubbly and the cheese is melted. Remove from heat and set aside.

Step 04

Lightly oil a medium-sized casserole dish. Add the drained tuna and chopped broccoli to the dish. Use a spoon or your hands to evenly combine the ingredients and make sure the broccoli is coated with a little oil.

Step 05

Pour the creamy sauce over the broccoli and tuna in the casserole dish, distributing it evenly. Sprinkle the shredded cheddar cheese and crushed pork rinds over the top as a crunchy, cheesy topping.

Step 06

Bake in the preheated oven for 30 minutes, or until the casserole is bubbly and the topping is golden brown.

Step 07

Remove from the oven and serve hot. This dish can be a complete meal on its own or paired with a simple green salad.

Notes

  1. This recipe is low in carbohydrates, making it suitable for those following a keto or low-carb diet.
  2. You can use fresh or frozen broccoli for this recipe. If using frozen, thaw and drain well before adding to the casserole.
  3. The pork rinds create a crunchy topping similar to breadcrumbs but without the carbs.

Tools You'll Need

  • Medium saucepan
  • Medium-sized casserole dish
  • Measuring cups and spoons
  • Mixing spoon
  • Oven

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains fish (tuna)
  • Contains dairy (butter, heavy cream, Parmesan, cheddar)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 478
  • Total Fat: 32 g
  • Total Carbohydrate: 10 g
  • Protein: 37 g