Make the dressing: In a medium bowl, whisk the olive oil, vinegar, garlic, sugar, 1/2 teaspoon salt and 1/2 teaspoon pepper to combine.
Step 2
Add the tomatoes, red onion, black beans, black-eyed peas, corn, bell pepper, jalapeño and cilantro. Toss to combine and season with salt and pepper to taste. Cover with plastic wrap and refrigerate for 2 hours before serving.
Step 3
To serve, toss well and season to taste. Sprinkle with scallions and serve with tortilla chips.