INGREDIENTS
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1 tablespoon olive oil
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1/2 large onion, diced
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1 1/2 teaspoons chili powder
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1/2 teaspoon ground cumin
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1/4 teaspoon kosher salt, plus more as needed
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1 (15-ounce) can black beans, drained and rinsed
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1/4 cup water
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8 corn tortillas
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1 bag cabbage slaw or shredded cabbage
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1 medium avocado, sliced
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Salsa