Beef Chimichangas
Ingredients:
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1 pound ground beef
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1 small onion, chopped
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1 clove garlic, minced
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½ teaspoon taco seasoning mix, or more to taste
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1 teaspoon dried oregano
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¼ cup sour cream
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1 (4 ounce) can chopped green chilies
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2 tablespoons distilled white vinegar
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1 cup shredded Cheddar cheese
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¼ cup margarine
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6 (7 inch) corn tortillas