Music from Tunetank.com
omka – Vibes (Copyright Free Music)
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Ingredients
2 pounds premium ground beef (80 percent lean and 20 percent fat)
1 tablespoon good Dijon mustard
3 tablespoons good olive oil, plus extra for brushing the grill
1 teaspoon chopped thyme leaves
3 teaspoons chopped garlic
1 teaspoon kosher salt
1 teaspoon freshly ground black pepper
6 ounces grated Gruyere
12 small Brioche buns
4 ounces baby arugula
3 medium tomatoes, sliced in 1/8-inch-thick rounds
2 small red onions, sliced in 1/8-inch-thick rounds
Ketchup, for serving