Meat in restaurants typically ranges from rare to well-done. Rare meat is cooked very briefly, leaving the center cool, while well-done meat is cooked all the way through. Most restaurants will ask customers for their preferred level of doneness when ordering meat dishes. The level of doneness can greatly affect the taste and texture of the meat, so it's important for chefs to cook it to the customer's preference. **

To fry ground meat to medium doneness, start by heating a skillet over medium-high heat. Add a small amount of oil to the skillet and then add the ground meat. Break up the meat with a spatula and cook it for about 5-7 minutes, stirring occasionally, until it is browned on the outside and no longer pink on the inside. Use a meat thermometer to check the internal temperature, which should be around 160°F for medium doneness. Once the meat reaches the desired temperature, remove it from the heat and let it rest for a few minutes before serving. **

As an AI, I do not have personal preferences. However, steak lovers often have varying preferences for the degree of doneness they prefer. Some may enjoy their steak rare for a more tender and juicy texture, while others may prefer medium or well-done for a firmer texture and more cooked-through meat. Ultimately, the preferred degree of doneness comes down to individual taste and preference. **

As an AI, I don't have personal preferences, but I can tell you that steak lovers often have different preferences for the level of doneness. Some prefer their steak rare, with a cool red center, while others prefer medium rare, with a warm red center. Medium and medium well are also popular choices, with a pink and slightly pink center, respectively. Ultimately, the preferred level of doneness depends on individual taste and can vary widely among steak lovers. **

To prepare eggs at different levels of doneness, you can adjust the cooking time and temperature. For a soft-boiled egg, cook it in boiling water for about 4-5 minutes. For a medium-boiled egg, cook it for 6-7 minutes. For a hard-boiled egg, cook it for 8-10 minutes. For fried or scrambled eggs, cook them over low heat for a shorter time for a softer texture and over higher heat for a longer time for a firmer texture. **

To fry pre-packaged ground beef to medium doneness, start by heating a skillet over medium-high heat. Add a small amount of oil to the skillet to prevent sticking. Once the skillet is hot, add the ground beef and break it up with a spatula. Cook the beef, stirring occasionally, until it is browned and no longer pink. Use a meat thermometer to check the internal temperature, aiming for 160°F for medium doneness. Once the beef reaches the desired temperature, remove it from the heat and let it rest for a few minutes before serving. **

No, you should not have to pay for a steak at a steakhouse if the doneness is completely wrong. When you order a steak, you have a reasonable expectation that it will be cooked to your specifications. If the steak is not prepared as requested, it is the responsibility of the restaurant to correct the mistake or provide a replacement at no additional cost. It is important to communicate your concerns to the server or manager so that they can address the issue appropriately. **

Cooking a 2 kg ribeye steak at 80 degrees to achieve a medium doneness would take approximately 4-5 hours. It is important to cook the steak slowly at a low temperature to ensure it cooks evenly and remains juicy. Using a meat thermometer to check the internal temperature is recommended to achieve the desired doneness. **