2009, Ina Garten, All Rights Reserved
  • pounds premium ground beef (80 percent lean and 20 percent fat)
  • tablespoon good Dijon mustard
  • tablespoons good olive oil, plus extra for brushing the grill
  • 1 Teaspoon  chopped thyme leaves
  • 3 Teaspoons  chopped garlic
  • teaspoon kosher salt
  • 6 Ounces  grated Gruyere
  • 4 Ounces  baby arugula
  • medium tomatoes, sliced in 1/8-inch-thick rounds
  • small red onions, sliced in 1/8-inch-thick rounds

Directions RichSnippets

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Recipe Details

Preparation Time: 
25 minutes
Cooking Time: 
10 minutes
Total Time: 
35 minutes
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