Grilled Sausage Sandwiches With Caramelized Onions and Gruyere C

We love these messy sandwiches. I like to make the caramelized onions ahead of time and then these go together quickly. These make great sandwiches for Super Bowl Sunday. From Bon Appetit.

• Ready In: 45 mins
• Serves: 2

Ingredients

• 2  tablespoons olive oil
• 2  lbs onions, thinly sliced
• 1 1⁄2 tablespoons red wine vinegar
• 1  tablespoon dark brown sugar, packed
• 1⁄2 teaspoon caraway seed
• 3  smoked sausage, fully cooked, such as white bratwurst or 3  chicken-apple sausages
• 4  slices  rye bread
• 4  teaspoons Dijon mustard
• 4  ounces gruyere cheese, thinly sliced
• 3  tablespoons butter, room temperature

Directions

1. Heat 2 tablespoons oil in heavy large skillet over medium-high heat.
2. Add onions and sauté until slightly softened, about 5 minutes.
3. Stir in vinegar, sugar and caraway seeds.
4. Reduce heat to medium-low and sauté until onions are deep brown and very tender, about 20 minutes longer.
5. Season to taste with salt and pepper.
6. (Can be prepared 2 hours ahead. Let stand at room temperature. Rewarm over low heat before using.).
7. Preheat broiler.
8. Brush 11x7-inch metal baking pan with oil.
9. Place sausages in pan.
10. Broil until sausages are brown and crisp, about 6 minutes per side.
11. Transfer sausages to work surface and cut lengthwise in half.
12. Arrange 3 sausage halves on each of 2 bread slices.
13. Spread 2 teaspoons mustard over sausages on each.
14. Top sausages with caramelized onions, dividing equally.
15. Top with Gruyère or Emmental cheese slices, dividing equally.
16. Cover with remaining 2 bread slices.
17. Spread half of butter over upper bread slices.
18. Heat large nonstick skillet over medium-low heat.
19. Carefully invert sandwiches, buttered side down, into skillet.
20. Cover and cook until bottoms are brown, about 5 minutes.
21. Spread remaining butter over upper bread slices.
22. Turn sandwiches, cover and cook until bottoms are brown, about 4 minutes longer.