INGREDIENTS
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2 lbs. Ground Beef
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Kosher salt
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Freshly ground black pepper
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2 large red onions, cut in ¾-inch slices
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Olive oil
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8 pretzel buns
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8 lettuce leaves
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8 slices of tomato, sliced ½-inch thick
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½ cup pickled jalapeños, chopped
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2 Tbsp. butter
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2 Tbsp. all-purpose flour
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1 cup light Texas beer
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¾ cup half and half
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3 oz. sharp Cheddar cheese, grated
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3 oz. Swiss cheese, grated