How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

Dinner Tonight: Flounder Sandwich Marinated In Fish

Name: Dinner Tonight: Flounder Sandwich Marinated In Fish Sauce, With Sriracha Mayonnaise And Pickled Red Onions Recipe
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 3 tablespoons mayonnaise; 3/4 tablespoon sriracha; salt and pepper; 2 ounces red onion, thinly sliced; 2 ounces rice vinegar; 1/2 tablespoon sugar; 1/4 teaspoon salt; 2 tablespoons fish sauce; 6 ounces flounder fillet (also called fluke), sliced in half crosswise; ciabatta bread, sliced lengthwise; 2 sprigs fresh dill; 2 sprigs fresh cilantro

Try this homemade Dinner Tonight: Flounder Sandwich Marinated In Fish Sauce, With Sriracha Mayonnaise And Pickled Red Onions recipe the whole family wil…

This Dinner Tonight: Flounder Sandwich Marinated In Fish Sauce, With Sriracha Mayonnaise And Pickled Red Onions relies on simple, everyday ingredients such as mayonnaise, sriracha, salt and pepper and red onion, thinly sliced. It comes together quickly and makes 4 servings, at about 93 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Seafood

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Brown sugar instead of white sugar adds a deeper, more caramel-like flavor.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Dinner Tonight: Flounder Sandwich Marinated In Fish Sauce, With Sriracha Mayonnaise And Pickled Red Onions Recipe

Tips for the best results

Variations & substitutions

My Personal Notes

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