INGREDIENTS
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4 cups water
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5 whole ripe tomatoes
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2 medium red onions, divided
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6 cloves garlic
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14 ounces canned chipotle
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24 ounces ketchup
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1 teaspoon salt
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2 tablespoons canola oil
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2 pounds shrimp, shelled and deveined
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1/2 teaspoon garlic salt