INGREDIENTS
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2 tablespoons olive oil
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2 vidalia onions, small dice
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1/2 cup water
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2 tablespoons balsamic vinegar
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1 1/2 pounds ground beef (I used 80/20)
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1 teaspoon kosher salt, divided
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1 teaspoon fresh ground pepper, divided
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6 ounces VELVEETA® Cheese, cut into six cubes
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6 slider rolls