INGREDIENTS
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1 1/4 pounds boneless beef chuck steak, cut into 4 pieces
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3 small white onions, diced
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4 garlic cloves, peeled and finely chopped
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1 tablespoon vegetable oil, plus oil to a depth of 1/2-inch for frying
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1 (28-ounce) can good-quality whole tomatoes in juice, drained and chopped or 2 cups chopped ripe tomatoes
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2 to 3 serranos or 1 to 2 jalapenos, stemmed, seeded and very finely chopped
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Salt
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1 pound (2 cups) fresh, smooth-ground corn masa for tortillas or 1 3/4 cups powdered masa harina mixed with 1 cup plus 2 tablespoons warm water
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1/3 cup all-purpose flour
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1 scant teaspoon baking power
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About 1/3 cup grated Mexican queso anejo or other dry grating cheese, such as Romano or Parmesan
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About 1/3 cup chopped fresh cilantro, for garnish