INGREDIENTS
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12 ounces ground chuck (80% lean)
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12 ounces lean ground pork
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1/2 cup thinly sliced scallions (white and light green parts only)
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1 piece fresh ginger, about 2 inches long, peeled and grated
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1 tablespoon soy sauce
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2 teaspoons toasted sesame oil
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2 garlic cloves, minced
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1/2 teaspoon kosher salt
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1/2 teaspoon freshly ground black pepper
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2 teaspoons vegetable oil
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2 teaspoons toasted sesame oil
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2 tablespoons plus 1 teaspoon hot chili-garlic sauce, such as Sriracha, divided
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8 ounces fresh baby spinach
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1 tablespoon toasted sesame seeds
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1/2 cup ketchup
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4 sesame seed buns, split