Place roast in a large saucepan that has a tight-fitting lid. Pour in water, cover, and simmer on low for 30 minutes. Increase heat to medium/high, and brown the roast on all sides. Once the water has boiled away, pour in the beef broth, vinegar, chili powder and 1 tablespoon of cumin. Cover tightly and reduce heat to low. Simmer for 1 1/2 to 2hours or until the beef falls apart when you try to pick it up.Shredthe beef, using 2 forks or your fingers. Place shredded beef back into the saucepan with all the juices, and let cool to room temperature.
In a large skillet, saute the onion until just soft, not browned. Mix in flour and green chilies. Stir constantly for 2 minutes to cook the flour taste out. Stir in sour cream and 2 cups of Monterey Jack cheese. Cook on low for 10 minutes, stirring often, until the cheese is all melted and mixed. Set aside and let cool.
In a large heavy skillet, heat the olive oil. Using tongs dip the tortillas, one at a time, into the oil for 30 seconds each side. Drain on paper towels.
Preheat oven to 375degrees F (190 degrees C). Spread 4 tablespoons of sour cream mixture down the center of the tortilla. Top with about the same amount of beef.Roll up and place seam side down in one or two 8×11 inch baking dish.Repeat for each tortilla. Continue until you are out of the filling. Sprinkle with remaining Monterey Jack cheese.
Bake in a pre-heated oven for 30 minutes or until cheese is melted and bubbling.
We have determined the nutritional value of oil for frying based on a retention value of 10% after cooking. The exact amount may vary depending on cook time and temperature, ingredient density, and the specific type of oil used.
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