Canned Sardines in Tomato Sauce with Quick Pickled Red Onions

Source : Pour The Boiling Water Over The Sliced Onions Add 1 Teaspoonful Kosher Salt Stir To Mix And Let The Onions Sit For 20 To 25 Minutes Drain All The Exc...

PreTime

more Minutes

CookTime

a few Minutes

Yield

Some Servings

Sent by Shinae

at : March 28, 2026

Step:

Pour the boiling water over the sliced onions, add 1 teaspoonful kosher salt, stir to mix, and let the onions sit for 20 to 25 minutes.
Drain all the excess liquid and add the rest of the salt (1/2 teaspoon) and lime juice and gently massage as you toss. This will help bring out that beautiful jewel tone of the red onion.
Chill onions for 15 to 20 minutes before serving if you can.
Plate sardines, put some onions on top, and sprinkle with your chopped fresh herbs.
Enjoy!

Ingredients

1 (15 oz.) can sardines in tomato sauce
1 medium red onion, thinly sliced (about 1/8" thick) horizontally (against the grain)
1.5 cups boiling water
1.5 teaspoons kosher salt (1 in the beginning, and then 1/2 later)
3 Tablespoons fresh lime or lemon juice
2 Tablespoons chopped fresh cilantro, parsley, or chives