Preparation Generously cover potatoes with water in a large saucepan and add 1 tsp salt. Bring to a boil, then simmer, partially covered, until potatoes are tender, 10 to 15 minutes. Drain. Meanwhile, whisk together onion, oil, vinegar, 1/2 tsp salt, and 1/4 tsp pepper in a large bowl. Add hot potatoes and parsley to vinaigrette and toss. Prepare grill for direct-heat cooking over medium-hot charcoal (medium heat for gas). Cut kielbasa crosswise into 4 sections, then halve each section lengthwise. Oil grill rack, then grill kielbasa, covered only if using a gas grill, turning once, until sizzling and grill marks appear, about 4 minutes total. Serve kielbasa with potato salad (warm or at room temperature). Serve with: Coleslaw Cooks' note:Kielbasa can be grilled in a hot lightly oiled large (2-burner) ridged grill pan over medium-high heat.
Preparation Generously cover potatoes with water in a large saucepan and add 1 tsp salt. Bring to a boil, then simmer, partially covered, until potatoes are tender, 10 to 15 minutes. Drain. Meanwhile, whisk together onion, oil, vinegar, 1/2 tsp salt, and 1/4 tsp pepper in a large bowl. Add hot potatoes and parsley to vinaigrette and toss. Prepare grill for direct-heat cooking over medium-hot charcoal (medium heat for gas). Cut kielbasa crosswise into 4 sections, then halve each section lengthwise. Oil grill rack, then grill kielbasa, covered only if using a gas grill, turning once, until sizzling and grill marks appear, about 4 minutes total. Serve kielbasa with potato salad (warm or at room temperature). Serve with: Coleslaw Cooks' note:Kielbasa can be grilled in a hot lightly oiled large (2-burner) ridged grill pan over medium-high heat.