"Slowly simmered all day, the beef is tender and a snap to shred. Just fill flour tortillas and add toppings for a tasty meal. —Valerie Jones, Portland, Maine..."
INGREDIENTS
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2 beef flank steaks (about 1 pound each)
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2 envelopes reduced-sodium taco seasoning
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1 medium onion, chopped
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1 can (4 ounces) chopped green chilies
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1 tablespoon white vinegar
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10 flour tortillas (8 inches), warmed
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1 cup shredded Monterey Jack cheese
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1-1/2 cups chopped seeded plum tomatoes
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3/4 cup reduced-fat sour cream