Caramelized Onion Grilled Cheese Sandwich

1. 1

   Over medium-high, melt 1 tablespoon of butter in a 12-inch nonstick skillet.

2. 2

   Add the onion; cook stirring for 3-5 minutes, until tender.

3. 3

   Reduce to medium-low heat, adding in the brown sugar.

4. 4

   Cook until onion is glazed and golden, around 20-25 minutes, stirring occasionally.

5. 5

   While cooking, spread mustard over 4 slices of bread; place cheese slice on each piece of bread.

6. 6

   Spoon the onion mixture evenly over cheese and other bread slices.

7. 7

   Spread tops of sandwiches with 1 tablespoon of butter.

8. 8

   In skillet, over medium-low, heat until hot, placing buttered side down.

9. 9

   Spread remaining butter on other sides and cook until cheese has melted.

10. 10

    Serve warm.

* Per serving · 4 servings · Values may vary.