Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make taco soup [title] Brown the ground beef. [step] Place 2 pounds (approximately 907 g) of ground beef in a large skillet on the stove, and brown it on medium-high heat. Use a wooden spoon to break up the meat into pieces that are equal in size so they'll cook evenly.

Ending1: [substeps] You could also chop the beef into bite-sized pieces instead of doing this. You could also flip the beef into a skillet filled with vegetable cooking oil and spread it out in a single layer on a lightly greased surface. Ending2: Cook for approximately 10 to 15 minutes to ensure that all of the meat is brown, with no traces of pink. [substeps] Make sure that your skillet is large enough to hold 2 pounds of meat. Ending3: Add the onions and ginger and stir them well until they're light brown. [substeps] You can substitute other seasonings like cloves, peanuts, dried herbs, or fresh beans for the ground beef. Ending4: Place the ground beef in the skillet and stir the beef with a wooden spoon periodically as it cooks. [substeps] For the best results, cook the ground beef only, not stir it while it's cooking.

Answer format: ending1/ending2/ending3/ending4