Grilled Bratwurst

Ingredients

• 6 bratwurst links (about 1 1/2 pounds)
• 2 tablespoons butter or margarine
• 2 large onions, thinly sliced
• 1 medium-size green bell pepper, cut into thin strips
• 1 medium-size red bell pepper, cut into thin strips
• 2 (12-ounce) bottles beer (do not use dark)
• 2 teaspoons salt-free seasoning blend
• 6 hoagie rolls, split