Crispy Tuna Patties with Scallions and Dijon Mustard
These crispy tuna patties are about to become your secret weapon for those nights when you need something impressive but don’t want to spend hours in the kitchen.

The combination of fresh herbs, tangy Dijon mustard, and that golden-brown crust will have everyone asking for the recipe—and you’ll look like a culinary genius even though it took you less than 30 minutes.

What makes these patties absolutely irresistible is the way the panko breadcrumbs create this perfect crispy shell while keeping the inside tender and flaky.

The fresh scallions add a subtle bite that pairs beautifully with the bright lemon zest and that sophisticated tang from the Dijon mustard.

Plus, you’re basically transforming humble canned tuna into something that could easily pass for restaurant fare—talk about a glow-up.

Get ready to serve up patties so good, people will assume you’ve been hiding some serious cooking skills this whole time.

Ingredients
For the Tuna Patties
- 2 large eggs
- 3 (5- to 6-ounce) cans water or oil-packed tuna
- 10 to 12 sprigs fresh parsley
- 1 medium scallion
- 1 clove garlic
- 1 medium lemon
- 1 /2 cup panko breadcrumbs
- 2 tablespoons mayonnaise
- 1 tablespoon Dijon mustard
- 1 /2 teaspoon kosher salt
- 1 /4 teaspoon freshly ground black pepper
- 2 tablespoons olive oil, divided
Instructions
Prepare the Base
- 1 Lightly beat 2 large eggs in a large mixing bowl using a whisk or fork until well combined. The eggs should be completely uniform with no streaks of white visible. Drain 3 cans of tuna thoroughly, pressing out excess liquid with a fork or your hands, then add to the bowl and flake into smaller, bite-sized pieces with a fork. The tuna should be broken down but not completely mashed—you want some texture remaining.
Prep the Fresh Aromatics
- 2 Prepare the following ingredients, adding each to the same bowl as it’s completed: Pick the leaves from 10 to 12 fresh parsley sprigs and finely chop using a sharp knife until you have 2 tablespoons. The parsley should be minced fine enough that there are no large pieces. Thinly slice 1 medium scallion (about 2 tablespoons), including both the white and light green parts. Using a microplane grater or fine grater, finely grate 1 garlic clove directly into the bowl—this ensures even distribution without any harsh chunks.
- 3 Using the same microplane grater, finely grate the zest of 1 medium lemon until you have about 1 tablespoon of bright yellow zest. Avoid the white pith, which can be bitter. Halve the lemon and juice one half until you have 1 tablespoon of fresh juice, then add to the bowl. The acidity will help bind the mixture and brighten all the flavors.
- 4 Cut the remaining lemon half into 6 wedges and reserve for serving. These will provide that final burst of citrus that makes each bite pop.
Combine and Shape
- 5 Add 1/2 cup panko breadcrumbs, 2 tablespoons mayonnaise, 1 tablespoon Dijon mustard, 1/2 teaspoon kosher salt, and 1/4 teaspoon black pepper to the tuna mixture. Using a large spoon or your hands, stir until all ingredients are well combined and the mixture holds together when pressed. The mixture should be moist but not soggy—if it seems too wet, add a bit more panko.
- 6 Divide the mixture into 6 equal portions (about 1/3 cup each) using a measuring cup or ice cream scoop for consistency. Shape each portion into a 3-inch wide patty about 1/2-inch thick, pressing gently to ensure they hold together but not so firmly that they become dense. Place the shaped patties on a parchment paper-lined baking sheet. Cover with plastic wrap and refrigerate for 20 minutes—this chilling step is crucial for helping the patties hold their shape during cooking.
Cook the Patties
- 7 Heat 1 tablespoon olive oil in a large cast iron skillet or non-stick pan over medium-high heat until the oil shimmers and moves freely around the pan. Swirl the oil to coat the bottom evenly. The oil should be hot enough that a small piece of the mixture sizzles immediately when added.
- 8 Using a wide, flat spatula, carefully transfer 3 patties into the hot pan, leaving space between each one. Cook without moving them for 2 to 3 minutes until the bottom is golden-brown and crisp. You’ll hear steady sizzling—if it’s too quiet, increase the heat slightly; if it’s aggressively spattering, reduce the heat. Flip once using the spatula and cook the second side for another 2 to 3 minutes until equally golden and crisp. Transfer the cooked patties to a clean plate.
- 9 Repeat the cooking process with the remaining 3 patties using the remaining 1 tablespoon olive oil. The second batch may cook slightly faster since the pan is already hot. Serve the patties immediately while they’re still warm and crispy, accompanied by the reserved lemon wedges for squeezing over the top.
Recommended Equipment and Kitchen Tools
Essential Tools (for best results)
- Large mixing bowl – A wide bowl makes it easier to combine all ingredients evenly without making a mess, and gives you room to flake the tuna properly
- Cast iron skillet or non-stick pan – Cast iron provides superior heat retention and creates an incredibly crispy crust, while non-stick prevents delicate patties from sticking and falling apart
- Wide flat spatula – Essential for flipping these tender patties without breaking them; a thin, flexible spatula works best for getting under the entire patty
- Microplane grater – Creates perfectly fine lemon zest and garlic that distributes evenly throughout the mixture without creating harsh chunks
Helpful Upgrades
- Kitchen scale – For perfectly portioned patties every time; 1/3 cup portions should weigh about 2.5 ounces each for consistent cooking
- Instant-read thermometer – While not essential, the internal temperature should reach 145°F (63°C) for food safety, though visual cues are usually sufficient
- Parchment paper – Makes cleanup easier and prevents the shaped patties from sticking to the baking sheet during chilling
Nice-to-Have Options
- Ice cream scoop – A 1/3 cup scoop makes portioning the mixture incredibly quick and ensures uniform patty sizes
- Silicone spatula – Perfect for mixing the delicate tuna mixture without breaking it down too much, unlike a wooden spoon which can be too aggressive
Recipe Variations and Dietary Modifications
Gluten-Free Adaptation
- Replace panko breadcrumbs with gluten-free panko or crushed gluten-free crackers using the same 1/2 cup measurement
- Almond flour works as an alternative (1/3 cup) but will create a denser texture and nuttier flavor
- Always check that your Dijon mustard is certified gluten-free, as some brands use wheat-based thickeners
Dairy-Free Version
- This recipe is naturally dairy-free when using vegan mayonnaise instead of regular mayo
- Avocado oil-based mayo provides the richest flavor and best binding properties
- The texture and cooking method remain exactly the same with these substitutions
Low-Carb/Keto Modifications
- Replace panko with crushed pork rinds (1/3 cup) for an ultra-low-carb crispy coating
- Finely chopped toasted nuts like almonds or pecans (1/3 cup) add crunch while keeping carbs minimal
- These swaps reduce carbs from about 8g to 2g per patty
Flavor Variations
- Mediterranean style: Add 2 tablespoons chopped kalamata olives and 1 teaspoon dried oregano
- Asian-inspired: Replace Dijon with 1 tablespoon soy sauce and add 1 teaspoon sesame oil and chopped cilantro
- Spicy kick: Include 1 minced jalapeño and 1/4 teaspoon cayenne pepper
- Herb-forward: Double the parsley and add 1 tablespoon fresh dill for a brighter, more herbaceous flavor
Nutritional Information and Health Benefits
Key Nutritional Highlights
Health Benefits of Main Ingredients
Dietary Considerations
Smart Swaps and Ingredient Substitutions
Common Substitutions:
- Panko breadcrumbs → Regular breadcrumbs (same amount, but won’t be as crispy) or crushed cornflakes (1/3 cup for extra crunch)
- Dijon mustard → Whole grain mustard (same amount, more texture) or yellow mustard (2 teaspoons, as it’s more acidic)
- Fresh parsley → Fresh cilantro or dill (same amount) or dried parsley (2 teaspoons)
- Scallions → Yellow onion (2 tablespoons minced) or chives (1 tablespoon chopped)
Budget-Friendly Swaps:
- Fresh lemon → Bottled lemon juice (1 tablespoon) plus dried lemon zest (1 teaspoon)
- Mayonnaise → Greek yogurt (2 tablespoons, though patties will be slightly less rich)
- Fresh garlic → Garlic powder (1/4 teaspoon, mix with other dry ingredients first)
Pantry Emergency Substitutions:
- Eggs → Flax eggs (2 tablespoons ground flaxseed mixed with 6 tablespoons water, let sit 5 minutes)
- Olive oil → Vegetable oil, canola oil, or avocado oil (same amount)
- Fresh herbs → Dried herbs (use 1/3 the amount of dried compared to fresh)
Pro Tips for Substitutions:
- When using dried herbs instead of fresh, add them to the dry ingredients first to help them distribute evenly
- Oil-packed tuna creates richer patties than water-packed, but drain thoroughly regardless of type
- If substituting Greek yogurt for mayo, add an extra 1 tablespoon breadcrumbs to compensate for additional moisture

Make It Diabetes-Friendly
Carb Reduction Strategies:
- Replace panko breadcrumbs with almond flour (1/3 cup) to reduce carbs from 6g to 2g per patty
- Use crushed pork rinds (1/4 cup) for virtually zero carbs while maintaining the crispy texture
- Ground flaxseed (3 tablespoons) adds fiber and healthy fats while reducing net carbs
Enhanced Protein & Fiber:
- Add 2 tablespoons chia seeds to boost fiber content and help slow glucose absorption
- Include finely chopped celery (2 tablespoons) for extra fiber and crunch without adding carbs
- Hemp hearts (1 tablespoon) contribute protein and healthy fats
Portion & Timing Tips:
- Stick to 1-2 patties per serving (about 15-20g total carbs with modifications)
- Pair with non-starchy vegetables like a mixed green salad or roasted broccoli
- Serve with avocado slices or cucumber salad to add healthy fats that help stabilize blood sugar
- The high protein content (28g per serving) helps maintain steady glucose levels
Total Carb Reduction: Modified version contains approximately 8-12g carbs per serving compared to 18g in the original, with added fiber helping to lower the net carb impact even further.

Perfect Pairing Suggestions
Beverage Pairings
Side Dish Recommendations
Complete Meal Ideas
Occasion Suggestions
Pro Tips and Troubleshooting
Professional Techniques
Common Mistakes and Solutions
Storage and Make-Ahead
Scaling Tips

Crispy Tuna Patties with Scallions and Dijon Mustard
Ingredients
For the Tuna Patties
- 2 large eggs
- 3 (5- to 6-ounce) cans water or oil-packed tuna
- 10 to 12 sprigs fresh parsley
- 1 medium scallion
- 1 clove garlic
- 1 medium lemon
- 1/2 cup panko breadcrumbs
- 2 tablespoons mayonnaise
- 1 tablespoon Dijon mustard
- 1/2 teaspoon kosher salt
- 1/4 teaspoon freshly ground black pepper
- 2 tablespoons olive oil, divided
Instructions
Prepare the Base
- Lightly beat 2 large eggs in a large mixing bowl using a whisk or fork until well combined. The eggs should be completely uniform with no streaks of white visible. Drain 3 cans of tuna thoroughly, pressing out excess liquid with a fork or your hands, then add to the bowl and flake into smaller, bite-sized pieces with a fork. The tuna should be broken down but not completely mashed—you want some texture remaining.
Prep the Fresh Aromatics
- Prepare the following ingredients, adding each to the same bowl as it’s completed: Pick the leaves from 10 to 12 fresh parsley sprigs and finely chop using a sharp knife until you have 2 tablespoons. The parsley should be minced fine enough that there are no large pieces. Thinly slice 1 medium scallion (about 2 tablespoons), including both the white and light green parts. Using a microplane grater or fine grater, finely grate 1 garlic clove directly into the bowl—this ensures even distribution without any harsh chunks.
- Using the same microplane grater, finely grate the zest of 1 medium lemon until you have about 1 tablespoon of bright yellow zest. Avoid the white pith, which can be bitter. Halve the lemon and juice one half until you have 1 tablespoon of fresh juice, then add to the bowl. The acidity will help bind the mixture and brighten all the flavors.
- Cut the remaining lemon half into 6 wedges and reserve for serving. These will provide that final burst of citrus that makes each bite pop.
Combine and Shape
- Add 1/2 cup panko breadcrumbs, 2 tablespoons mayonnaise, 1 tablespoon Dijon mustard, 1/2 teaspoon kosher salt, and 1/4 teaspoon black pepper to the tuna mixture. Using a large spoon or your hands, stir until all ingredients are well combined and the mixture holds together when pressed. The mixture should be moist but not soggy—if it seems too wet, add a bit more panko.
- Divide the mixture into 6 equal portions (about 1/3 cup each) using a measuring cup or ice cream scoop for consistency. Shape each portion into a 3-inch wide patty about 1/2-inch thick, pressing gently to ensure they hold together but not so firmly that they become dense. Place the shaped patties on a parchment paper-lined baking sheet. Cover with plastic wrap and refrigerate for 20 minutes—this chilling step is crucial for helping the patties hold their shape during cooking.
Cook the Patties
- Heat 1 tablespoon olive oil in a large cast iron skillet or non-stick pan over medium-high heat until the oil shimmers and moves freely around the pan. Swirl the oil to coat the bottom evenly. The oil should be hot enough that a small piece of the mixture sizzles immediately when added.
- Using a wide, flat spatula, carefully transfer 3 patties into the hot pan, leaving space between each one. Cook without moving them for 2 to 3 minutes until the bottom is golden-brown and crisp. You’ll hear steady sizzling—if it’s too quiet, increase the heat slightly; if it’s aggressively spattering, reduce the heat. Flip once using the spatula and cook the second side for another 2 to 3 minutes until equally golden and crisp. Transfer the cooked patties to a clean plate.
- Repeat the cooking process with the remaining 3 patties using the remaining 1 tablespoon olive oil. The second batch may cook slightly faster since the pan is already hot. Serve the patties immediately while they’re still warm and crispy, accompanied by the reserved lemon wedges for squeezing over the top.
