Thyme-Roasted Vegetables

Ingredients

• 2 pounds red potatoes, cubed (about 9 cups)
• 3 cups sliced sweet onions (about 1-1/2 large)
• 3 medium carrots, sliced
• 1/2 pound medium fresh mushrooms, halved
• 1 large sweet red pepper, cut into 1-1/2-inch pieces
• 1 large sweet yellow pepper, cut into 1-1/2-inch pieces
• 2 tablespoons butter, melted
• 2 tablespoons olive oil
• 1 tablespoon minced fresh thyme or 1 teaspoon dried thyme
• 1 teaspoon salt
• 1/4 teaspoon pepper