Tangy Tomato and Onion Salsa

Tangy Tomato and Onion Salsa

A vibrant, acidic salsa cruda featuring ripe tomatoes and crisp red onions. Its bright vinegar punch cuts through rich roasted meats and serves as a refreshing dressing when tossed with warm pasta.

45mEasy600g
Remix

Equipment

Cutting board
Chef's knife
Mixing bowl
Whisk

Ingredients

12 servings

Vegetables and Herbs

  • 400 g roma tomatoes, diced
  • 1 red onion, finely diced
  • 1 garlic, minced
  • 15 g fresh parsley, chopped

Dressing

  • 30 ml red wine vinegar
  • 45 ml extra virgin olive oil
  • 4 g kosher salt
  • 1 g black pepper, freshly cracked

Nutrition (per serving)

Nutrition is estimated per serving. Nutrients without complete source data are omitted.

46
Calories
1g
Protein
3g
Carbohydrates
4g
Fat
1g
Fiber
2g
Sugar
133mg
Sodium
Full nutrition
Calories
46 kcal
Protein
1 g
Carbohydrates
3 g
Fat
4 g
Fiber
1 g
Sugar
2 g
Sodium
133 mg
Saturated Fat
1 g
Monounsaturated Fat
3 g
Polyunsaturated Fat
0 g
Potassium
108 mg
Calcium
9 mg
Iron
0.2 mg
Magnesium
6 mg
Phosphorus
13 mg
Zinc
0.1 mg
Vitamin A
5 mcg
Vitamin C
7 mg
Vitamin E
0.6 mg
Vitamin K
23 mcg
Vitamin B6
0.0 mg
Thiamin
0.01 mg
Riboflavin
0.01 mg
Niacin
0.0 mg
Folate
4 mcg
Water
15 g

Sources: Aggregated Public Data, USDA FoodData Central

Method

01

Dice the tomatoes and red onions into uniform pieces. Mince the garlic and roughly chop the fresh parsley.

10m
02

In a separate small bowl, combine the red wine vinegar, extra virgin olive oil, salt, and black pepper. Whisk vigorously until the dressing temporarily emulsifies.

2m
03

Place the prepared tomatoes, onions, garlic, and parsley into the large mixing bowl. Pour the emulsified dressing over the vegetables and toss thoroughly to ensure everything is coated.

3m
04

Cover the bowl and let the salsa rest at room temperature for at least 30 minutes before serving. This allows the acidity of the vinegar to mellow the raw bite of the onions and helps the flavors meld.

30m

Chef's Notes

  • To prevent a watery final dish, you can lightly salt the diced tomatoes in a colander and let them drain for 15 minutes before mixing them with the other ingredients.
  • When using this salsa for a pasta salad, toss it with the noodles while the pasta is still hot so it readily absorbs the tangy vinegar and seasoned oil.
  • The choice of vinegar heavily dictates the final profile. Red wine vinegar provides a sharp Mediterranean punch, while switching to balsamic yields a sweeter, deeper flavor suitable for grilled poultry.

Storage

Refrigerator: 3 daysTomatoes will soften and release liquid over time, but the flavor will continue to deepen.

Troubleshooting

Salsa is too watery

Cause: Tomatoes released too much internal liquid, or the seed cavities were too large

Fix: Serve using a slotted spoon, or strain the salsa briefly in a colander

Prevention: Core and discard the watery seed pulp from the tomatoes before dicing

Raw onion flavor is overpowering

Cause: The red onion used was particularly pungent or sulfurous

Fix: Add a small pinch of granulated sugar to balance the pungency

Prevention: Soak the diced onions in ice water for 10 minutes, then drain thoroughly before mixing

Cultural Context

This preparation draws heavy inspiration from both Italian bruschetta toppings and Latin American salsa cruda. By combining raw, aromatic ingredients with a pronounced acidic bite, it functions as a universal palate cleanser and brightener for rich dishes across multiple culinary traditions.

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