New-Fashioned Grilled Cheese Sandwiches

1. 1

   Melt butter in a 12-inch skillet over low heat.

2. 2

   While butter melts, spread 1 teaspoon mustard on each of 2 slices of the bread.

3. 3

   Spread 1 teaspoon mayonnaise on each of the 2 remaining slices of bread.

4. 4

   Place 2 slices of cheese on each of 2 slices of the bread.

5. 5

   Place the cheese-topped bread, cheese side up, in the skillet.

6. 6

   Cover the skillet and cook until the bread is golden brown on the bottom and the cheese is just beginning to melt, 2 to 3 minutes.

7. 7

   Arrange 2 slices of tomato and 3 slices of avocado on top of the cheese, and place another piece of bread on each sandwich.

8. 8

   Turn the sandwiches over, pressing each with a spatula to keep it together.

9. 9

   Cook, uncovered, until the second side is golden brown, 2 to 3 minutes.

10. 10

    Continue to press sandwiches with a spatula while cooking.

11. 11

    Transfer sandwiches to plates, cut in half and serve.

* Per serving · 4 servings · Values may vary.