French-Style Grilled Ham & Gruyère

Ingredients

• 2 tsp. chopped fresh tarragon or 1 tsp. dried tarragon
• 4 tsp. salted butter, at room temperature
• 2 Tbs. Dijon mustard; more for serving
• 8 slices (¼-inch thick) egg bread, such as challah or brioche
• 4 thin slices (about ¼ lb. total) Black Forest-ham
• 6 oz. coarsely grated Gruyère

In a small bowl, mix together the cheese and tarragon. Butter all the bread slices on one side only. Put four slices, buttered side down, on a cutting board. Distribute the cheese over the bread and top with the ham, folding the slices if they’re large. Spread about 1-1/2 tsp. mustard on the unbu...

View full recipe at Fine Cooking