Keto Spicy Lime Pollock

A perfectly portioned, low-carb seafood feast that delivers bold flavors and healthy fats in convenient foil packets!

This keto-friendly recipe makes simple white fish into a restaurant-quality meal that’s both delicious and nutritious. The combination of high-fat olive oil which is amazing on a keto diet, fresh vegetables, and lean protein creates the perfect macronutrient balance for ketosis, while using a foil-packet method that locks in all those zesty, spicy flavors 

Why This Recipe is Perfect for Keto

• High in Healthy Fats: The generous amount of olive oil provides essential monounsaturated fats that support ketosis 
• Low-Carb Vegetables: Spinach and asparagus are nutrient-dense, fiber-rich vegetables that keep net carbs minimal while providing vital vitamins and minerals.
• Clean Protein Source: Flounder is a lean white fish that’s easy to digest and pairs perfectly with the bold, spicy flavors.
• Portion Control: The individual foil packets make portion control effortless – perfect for maintaining your keto macros!

Pro Tips

• Don’t skip the chili oil step – microwaving it briefly helps release the pepper flakes’ full flavor potential
• Use fresh lime juice for the brightest, most vibrant taste
• Serve immediately after baking for the best texture and temperature
• Customize the heat level by adjusting the red pepper chili flakes to your preference

Alternative Ingredients

Don’t have one of the ingredients listed? or maybe you’re not quite a fan of pollock? Luckily this recipe is super flexible so you can easily swap the ingredients for alternatives. So you can easily customize the dish based on your preferences, dietary needs, or what’s available in your kitchen.

Alternative fish:

If you don’t want to use pollock here’s some alternative options:

• Cod, halibut, or tilapia work perfectly as substitutes for pollock, offering similar mild flavors and flaky textures
• Salmon or trout for higher omega-3 content and richer flavor (though slightly higher in calories)
• Mahi-mahi or red snapper for a slightly firmer texture
• Shrimp or scallops can replace fish entirely – reduce cooking time to 8-10 minutes

Vegetable Swaps:

• Replace spinach with kale, arugula, or Swiss chard for different nutrient profiles
• Substitute asparagus with zucchini ribbons, broccoli florets, or green beans
• Add bell peppers, mushrooms, or cherry tomatoes for extra flavor variety while keeping carbs low
• Cauliflower florets make an excellent low-carb addition

Since leeks, onions (red, white or yellow), scallions, shallots and spring onions are largely interchangeable, you can easily substitute the green onions with:

• Shallots for a milder, more sophisticated flavor
• Red onion for a sharper bite and beautiful color
• Chives for a delicate onion flavor
• Leeks (white and light green parts) for a sweeter taste

Oil and Fat Modifications:

• Avocado oil can replace olive oil for higher smoke point and neutral flavor
• Coconut oil (melted) adds tropical notes
• Ghee or grass-fed butter for rich, creamy flavor
• MCT oil mixed with olive oil for enhanced ketone production

Spice and Seasoning Alternatives:

If you’re not a fan of chili, or would pefer to mix things up a bit why not try some of these alternatives

• Paprika or cayenne can replace red pepper flakes
• Italian seasoning or dried herbs instead of just salt and pepper
• Garlic powder to complement or replace fresh garlic salt
• Cajun seasoning for a Louisiana-style twist

Alternatives to Lime:

Don’t fancy lime? Why not try one of these options:

• Lemon provides a classic brightness similar to lime
• Orange zest for a sweeter citrus note
• Grapefruit for a more complex, slightly bitter flavor

This adaptability makes the recipe perfect for meal prep variations throughout the week, seasonal ingredient swaps, or accommodating different family members’ preferences while keeping everyone in ketosis.