Prep the produce: chop the tomatoes, slice the onion, and mince the garlic.
Whisk the olive oil, red wine vinegar, salt, pepper, oregano, and sugar in a large bowl.
Add tomatoes, onion, and garlic to the bowl and toss until evenly coated.
Let the salad rest 5–10 minutes for flavors to meld.
Fold in the basil, taste, and adjust seasoning before serving.
Notes
Variation: Swap red wine vinegar for lemon juice and add a pinch of red pepper flakes for gentle heat. For extra richness, top with torn fresh mozzarella.Serving & storage: Serve slightly chilled or at room temperature. Leftovers keep in an airtight container up to 2 days; refresh with a splash of vinegar before serving.This recipe is an original creation inspired by classic Easy Tomato Garlic Salad flavors. All ingredient ratios and instructions are independently developed.