Grilled Beer Brats with German Potato Salad

Ingredients

• 4 12-ounce amber ales
• 1 1/2 pounds Bratwurst links (2 to 3-ounce links)
• Vegetable oil, for brushing brats
• Brat rolls, brown bread or hot dog buns
• Crock of whole grain mustard Potato Salad
• 2 pounds baking potatoes, peeled and diced
• Salt
• 6 ounces raw bacon, chopped
• 1 cup chopped onions
• Freshly ground black pepper
• Up to 1/4 cup apple cider vinegar (add a small amount at a time, and taste)
• 1/4 cup whole grain mustard
• 4 hard-boiled eggs, sliced (optional)
• 1/4 cup chopped green onions