Bratwurst with Saucy Peppers & Onions

PLACE vegetables in shallow dish. Whisk marinade mix, oil and 1/4 cup beer until blended; pour over vegetables. Let stand 30 min. at room temperature to marinate.

HEAT grill to medium heat. Transfer vegetable mixture to skillet; cook and stir on medium-high heat 5 min. or until onions are golden brown. Cover; simmer on low heat 10 min., stirring occasionally. Meanwhile, bring remaining beer to boil in medium saucepan. Add brats; cook 5 min. Drain brats; grill 4 to 5 min. or until done (160ºF), turning occasionally.

SERVE brats with vegetables.