récolte / RAO-3

Hamburg Steak

Form 240g of ground beef and pork into 4 thin hamburger patties and cook them using the "Hi Steam" setting.

Serves 2 / 4 small hamburger pattiesMeat DishesOriginal
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The official sources referenced are listed in the "References" section at the bottom of the page.

For information on the use of AI and the scope of verifiable content, please refer to our general posting guidelines. Please read the preconditions and instructions for each step before cooking, and verify the final result using the method described in the text.

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Initial Heating Settings

Initial Verification SettingsHi Steam180°C / 20min

After 20 minutes, check whether the core temperature remains at 75℃ or higher for 1 continuous minute. Measure the core temperature and holding time at the thickest part. Transfer items that meet the completion criteria to a clean plate. If the dish does not meet the criteria, but shows no signs of burning or abnormalities, remove the probe and return the dish to the air fryer to resume cooking for the remaining time originally set. If the dish is still not ready when the set time ends, stop heating and proceed to the final verification step. Do not resume cooking if the food has started to burn. If you notice smoke, an unusual odor, or an error message, stop the appliance immediately, discontinue use, and follow the instructions in the user manual.

Instructions for preheating, mid-cooking checks, and how to check for doneness are included in the preparation instructions.

Chop the onion, then knead and shape the cold meat mixture.

Check Before Cooking
  • Mix 240g of ground meat with onion and binder to make approximately 347g of mixture. Divide into 4 equal portions, with 1 patty weighing about 87g, and shape each patty to approximately 75mm in diameter and no more than 20mm thick at its thickest point. The weight of the ground meat is listed before the binder is added.
  • If using frozen meat, put it in a leakproof bag or container and thaw it thoroughly in the refrigerator, including the center. Once thawed, prepare and cook it immediately. Do not thaw it at room temperature.
  • Start with chilled meat, without preheating the empty appliance. Do not use these settings for ingredients with different quantities or thicknesses.
  • Cook in a single layer with space between the pieces so they do not overlap. If they do not fit, do not start cooking; proceed to the “Arrangement Check” section in the conditions. Do not convert capacity to weight, and do not extend the cooking time based on the amount of meat.
  • The device is designed to automatically turn off if it remains paused for approximately 10 minutes. When resuming, check the remaining time and mode; do not simply add the full initial cooking time again.
  • Do not operate continuously for 180 minutes or longer, including additional heating and cooking in batches. If you notice any unusual odors or excessive smoke, stop operation and follow the instructions in the user manual.
  • Before heating, arrange the specified amount for one batch in a single layer with gaps, and check that everything fits. If it does not fit, do not start; choose an official procedure for the same model that matches the amount and thickness. Do not split it into batches while keeping the original time or scale the time in proportion to the weight.
  • Before removing the food midway through, press START/STOP to pause, then carefully place the basket on a trivet, being mindful of the steam. Return the basket to the oven and press START/STOP to resume the remaining time.
  • Using a food thermometer and a timer, ensure that the center of the thickest part of each ingredient remains at 75℃ or higher for at least 1 continuous minute. Do not place the tip against bones, and measure vegetables that have come into contact with raw meat under the same conditions. Remove standard thermometers before reheating, and clean them after each measurement.

Instructions

0 / 8 Complete
  1. 01

    Prepare the binder and sauce

    Moisten 15g of breadcrumbs with 20g of milk. Finely chop 45g of onion. In a separate clean small bowl, mix 20g of ketchup and 12g of medium-thick sauce, and set aside for use after cooking.

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  2. 02

    Making Chilled Meat Mixture

    Mix 240g of ground meat with 2g of salt, 0.3g of black pepper, and 0.1g of nutmeg. Once the mixture becomes sticky, add the onion, moistened breadcrumbs, and 25g of beaten egg, and mix until uniform. Mix quickly so the meat isn’t left at room temperature for too long, and wash your hands and utensils after handling raw meat.

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  3. 03

    Shape 4 pieces into thin patties

    Divide the mixture into 4 equal portions and gently press with your palms to remove large air pockets. Shape 1 patty from each portion, weighing approximately 87g, with a diameter of about 75mm and a thickness of no more than 20mm, and slightly indent the center. Keep the shaped patties refrigerated until just before cooking.

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  4. 04

    Arrange in a single layer

    Check the steam catcher and water tray, then fill the water tank with room-temperature water only, up to the MAX line or below, and reinstall it. Do not put seasonings, oil, or water hotter than 40℃ into the tank. Attach the inner mesh to the basket in the correct orientation. Arrange the ingredients in a single layer without stacking them, leaving space between each item. If they do not fit, do not start cooking; proceed to the “Arrangement Check” section in the conditions. Do not line the basket with paper or foil, and do not block the steam vents. Do not fill beyond the MAX line.

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  5. 05

    Hi Steam: Start by trying 180℃

    Do not preheat; simply place the basket containing the ingredients inside. Set the machine to “Hi Steam,” 180℃, and 20 minutes for the initial test, then start. If the water refill indicator appears, check the operating status; if the machine is running, press START/STOP to pause it. Fill the tank with room-temperature water up to the MAX line or below, replace the lid properly, check the display, and resume operation. For mid-process checks, follow the “Completed,” “Not Completed,” or “Abnormal” indicators in the heating stage section, and use the controls in the conditions section to stop or resume the cycle.

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  6. 06

    Measure the core temperature and holding time

    After 20 minutes, check for “Pause” or “End” and remove the basket. Insert a probe into the side of each of the 4 pieces and measure the thickest part of the center. Do not judge based solely on the surface or the juices that have come out. Use a food-grade internal thermometer to confirm that the center temperature remains at 75℃ or higher for at least 1 continuous minute. Measure the holding time only after the reading has stabilized; if the temperature drops below 75℃ during this time, do not consider the dish done, but proceed to the final verification step. Do not judge doneness based on browning, meat juices, or only 1 temperature reading. Remove the thermometer before reheating, and wash the part that came into contact with uncooked meat before reusing it.

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  7. 07

    Verify the completion criteria

    If the dish does not meet the completion criteria, stop heating and proceed to the final checking step. Once the criteria are met, transfer the food to a serving dish using a clean spatula and pour the prepared sauce over it. Discard any meat juices that have settled at the bottom; do not mix them into the sauce.

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  8. 08

    What to check if the food is not yet done

    If the dish does not meet the completion criteria, review the intermediate checks and finishing standards listed here once more. If you cannot find instructions in the reference materials or the product’s cooking instructions that correspond to the same ingredients, quantities, thickness, and starting condition, do not continue heating based on guesswork, and do not eat the food. Avoid refrigerating partially cooked meat and finishing it at a later date.

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Check the results

Use a thermometer to confirm that the core temperature remains at 75℃ or higher for at least 1 continuous minute; once this condition is met, the dish is ready. Once the conditions are met, transfer the dish to a serving plate using a clean spatula and drizzle with the prepared sauce. Discard any meat juices that have pooled at the bottom of the pan; do not mix them into the sauce.

Reference Information on Heating and Food Poisoning Prevention ↗

Things You Can Verify Without Consulting Anyone →

If you get stuck along the way

The center bulges and becomes thicker

Next time, gently indent the center to release air and ensure even thickness. If the food puffs up, measure the thickest part at the center; if it does not meet the completion criteria, proceed to the final verification step.

Cracks form around the onion

Next time, chop the onions more finely and mix the meat mixture thoroughly. Even if cracks appear, this does not necessarily mean the heat has reached the center of the meat.

How the Recipes Were Created and Sources Consulted
Standards verified in official documents
RAO-3 / A mixture made with 200g of mixed ground meat and other ingredients, shaped into 2 patties and cooked with 150g of frozen potatoes / Hi Steam / 180℃ / 20〜25 minutes.
Independently designed details and unverified points
Crisp. involves shaping 4 portions of a proprietary meat mixture (240g total) into patties no more than 20mm thick; it contains no potatoes and uses no alcohol. Do not pour the sauce into the bottom of the air fryer; instead, prepare it in a clean, separate container and add it afterward. The initial 20-minute cooking time and the requirement to confirm a core temperature of 75℃ or higher for 1 minute are untested experimental procedures.

Refer to the official “Juicy Hamburger Steak” model and cooking instructions ↗

Source checked: 2026-09-07

The initial setting is in 5-minute increments. Check the progress based on the elapsed time since heating began; do not use the check time as the unit’s set time.

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