- 1 (16 ounce) package frozen shelled edamame (green soybeans), thawed
- 1 (16 ounce) package frozen sweet corn, thawed
- 1 (16 ounce) package frozen sweet peas, thawed
- 1 (12 ounce) can black beans, drained and rinsed (optional)
- 1/2 red onion, minced
- 1/4 cup olive oil, or to taste
- 1/4 cup red wine vinegar, or to taste
- 1/2 teaspoon salt
- 1/2 teaspoon dried parsley
- 1/4 teaspoon ground black pepper
- 1/4 teaspoon dried basil
- 1/4 teaspoon garlic powder
- Mix edamame, corn, peas, black beans, and red onion in a large bowl.
- Stir olive oil, vinegar, salt, parsley, black pepper, basil, and garlic powder into edamame mixture.
- Chill in refrigerator at least 30 minutes before serving.