Kale with mustard sauce and fish

Kale, fish, and tangy mustard sauce support gentle digestion

Protein Rich Omega-3 Rich Digestion Friendly

Recipe description

Bright kale is lightly sautéed with a tangy mustard sauce and tender fish for a nourishing, everyday meal. The kale provides fiber and polyphenols that can support gut-friendly eating patterns, while the fish adds protein for fullness. The mustard sauce brings a lively flavor without overpowering the greens, making it easy to include a plant-forward option in weeknight meals. A simple, balanced dish that pairs well with whole grains or legumes to diversify fiber and plant intake, supporting comfortable digestion as part of a varied diet.

Published on: July 11, 2026
Kale with mustard sauce and fish
Prep 15 min Cook 20 min Easy
2-minute self-check Is a gut microbiome test useful for you? Answer a few quick questions and find out if a microbiome test is actually useful for you. ✔ Takes 2 minutes ✔ Based on your symptoms & lifestyle ✔ Clear yes/no recommendation Check if a test is right for me

Why this recipe fits you

  • Rich in fiber from kale and vegetables.
  • Includes fish for protein and satiety.
  • Tangy mustard sauce adds flavor without large sugar load.

Gut Health Score

🌿 Fiber diversity
85
🍇 Polyphenol density
75
🧬 Diversity support
70
🫧 Fermentation support
0

Ingredients

Kale
2 cup
Kale
Fish
400 grams
Seed, mustard
2 teaspoon
Seed, mustard
Oil, olive
1 tablespoon
Oil, olive
Salt
1 teaspoon
Salt
Pepper
1 teaspoon

Instructions

1

Heat the olive oil in a large skillet over medium heat.

2

Add the kale to the skillet and sauté for about 5 minutes until it's wilted.

3

Season the kale with salt and pepper.

4

Push the kale to the side of the skillet and place the fish in the center.

5

Cook the fish for about 4-5 minutes on each side until cooked through.

6

In a small bowl, mix the mustard with a little water to create a sauce.

7

Drizzle the mustard sauce over the fish and kale before serving.

Nutrition

420 kcal Calories
28 g Protein
22 g Carbohydrates
5 g Fiber
3 g Sugar
14 g Fat
2 g Saturated fat
0.9 g Salt

FAQ

Is this recipe suitable for busy weeknights?
Yes — it's quick to prepare: sauté the kale, make a simple mustard sauce, and cook the fish in minutes (total about 20–30 minutes).
What types of fish work best for this dish?
Firm, mild white fish such as cod, haddock, pollock, halibut, or sea bass pair well with the mustard sauce.
Can this be made plant-forward or vegetarian?
Yes. Omit the fish and boost the greens with plant proteins like chickpeas or lentils.
How do I prepare kale to keep it tender in the pan?
Trim the stems, tear the leaves into bite-sized pieces, wash and dry well; sauté briefly until just wilted.
How can I adjust the mustard sauce for milder or stronger flavor?
Add more mustard for tang, or balance with a splash of lemon juice, honey, or a little water to mellow it.
How long does this dish take to cook from start to finish?
About 20–30 minutes, depending on the fish thickness.
How should I store leftovers and reheat?
Store refrigerated in an airtight container for up to 2 days; reheat gently in a skillet or the microwave, being careful not to overcook the kale.
What are the key nutritional benefits of this dish?
Kale provides fiber and polyphenols; fish provides protein and healthy fats; the mustard sauce keeps flavor lively without added sugars.

Your Gut Has a Story. Read It — Then Fix Potential Problems

Full microbiome sequencing + Gut Health Index. Metabolic pathways, diversity, keystone species. Personalized plans available (diet, supplements, diary, recipes). EU lab + Maastricht University spin-off + GDPR-safe.

Start My Gut Test