Grill Potato and Onion Packages

Ingredients

• 1 teaspoon salt
• 2 tablespoons fresh thyme
• 1 tablespoon Dijon mustard
• ²/₃ cup olive oil
• Nonstick vegetable oil spray
• Fresh thyme sprigs
• 2 large red onions
• + 2 more ingredients
• • 2 pounds white-skinned potatoes
  • 1 teaspoon ground black pepper

Combine oil, mustard, thyme, salt and pepper in large bowl. Whisk to blend well. (Can be prepared 6 hours ahead. Cover and let stand at room temperature.) Prepare barbecue (medium-high heat). Add potatoes and onions to mustard oil. Toss to coat. Set six 18 x 9-inch sheets of heavy-duty aluminum f...

View full recipe at Epicurious