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Simple Stovetop Meat Sauce
  1. In a large skillet over medium-high, heat oil. Add carrots. Cook until carrots are slightly tender, about 4 minutes. Stir in onions, celery and garlic. Cook until tender, about 4 minutes longer.
  2. Reduce heat to medium. Stir in marinara sauce, beef, oregano and salt. Cook until heated through, about 10 minutes.
  3. Serve over noodles and top with Parmesan cheese.