Classic Three-Bean Salad | America's Test Kitchen

Ingredients

• 1 cup red wine vinegar
• 3/4 cup granulated sugar
• 1/2 cup canola oil
• 2 medium cloves garlic , minced
• 1 teaspoon table salt
• Ground black pepper
• 8 ounces green beans , cut into 1-inch-long pieces
• 8 ounces yellow wax beans , cut into 1-inch-long pieces
• 1 (16-ounce) can red kidney beans , rinsed and drained
• 1/2 medium red onion , chopped medium
• 1/4 cup minced fresh parsley leaves