Irish Death Beer-Braised Corned Beef with Roasted Vegetables

Ingredients

• 1 boneless Corned Beef Brisket with seasoning packet (3-1/2 to 4 pounds)
• 6 cloves garlic, peeled
• 2 teaspoons whole black peppercorns
• 1 - 12 ounce Iron Horse Brewery Irish Death Smooth, Dark Ale
• 6 tablespoons butter
• 1 cup thinly sliced green onions, including white and green parts
• 1/2 cup horseradish
• 1/2 teaspoon ground black pepper
• 1/4 teaspoon salt
• 1 head green cabbage, cored, cut into 6 wedges (1 to 1-1/2 pounds)
• 1-1/2 pounds small red-skinned potatoes, cut in half
• Glaze: 2 tablespoons orange marmalade and 2 teaspoons Dijon-style mustard