Easy Beer Bratwurst

Ingredients

• 1 Reynolds(R) Slow Cooker Liner
• 1 (12 fluid ounce) bottle dark German beer
• 1 cup thinly sliced onions
• 1 tablespoon maple syrup
• 1 tablespoon white vinegar
• 1/2 teaspoon caraway seeds
• 1/2 teaspoon dried thyme, crushed
• 1/2 teaspoon Worcestershire sauce
• 6 uncooked bratwurst links
• 6 hoagie buns, split and toasted
• 1 1/2 cups shredded Cheddar cheese
• 1 1/2 cups shredded lettuce (optional)