Johnsonville Brats have long been celebrated for their robust flavor and juicy texture, making them a favorite at backyard barbecues, tailgates, and family dinners alike. While traditionally prepared on a grill or stovetop, the air fryer has emerged as a convenient alternative that delivers a perfectly cooked brat with minimal fuss. Air frying allows the sausages to achieve a crisp exterior while locking in moisture, producing a taste and texture comparable to grilling. This guide dives deeply into the best methods for cooking Johnsonville Brats in an air fryer, from optimal temperature and timing to troubleshooting common issues, so you can achieve consistently delicious results every time.
The ideal temperature for air frying Johnsonville Brats is 360°F (182°C). This temperature strikes the perfect balance between cooking the interior evenly and developing a nicely browned, slightly crispy skin on the outside. Cooking at temperatures below 350°F can result in uneven cooking and a less appealing exterior, while temperatures above 380°F risk splitting the casing and drying out the sausage. The moderate heat allows the fat within the brats to render slowly, enhancing the flavor and keeping the sausage juicy.
For brats with thicker casings or frozen brats, some cooks recommend a slight reduction to 350°F to ensure the inside cooks thoroughly without burning the outside. Conversely, if you prefer a more intensely browned exterior, you can finish the brat at 375°F for the last 2-3 minutes of cooking.

Cooking time depends slightly on the size and whether the brats are fresh or frozen:
Flipping is essential for even cooking. The hot air circulates most efficiently around the surface, but brats can brown unevenly if left on one side. By turning them halfway, you ensure a uniform golden-brown exterior and prevent hot spots that may dry out portions of the sausage.
A Johnsonville Brat is properly cooked when the internal temperature reaches 160°F (71°C) for pork or 165°F (74°C) for poultry varieties. While the exterior should be browned, the true indicator is the internal temperature, which can be checked using a digital meat thermometer inserted into the center of the sausage.
Visual cues also help: the casing should be taut and slightly crisp, but not split, and juices released from the brat should run clear, not pink. Overcooking will result in a dry, tough texture, while undercooking poses food safety risks.
To cook Johnsonville Brats in an air fryer, you need only a few simple ingredients:
Air frying does not require additional fat, but a light coat of oil can enhance browning and prevent sticking in some air fryer models.
Even experienced cooks encounter issues:
Yes, you can cook frozen Johnsonville brats in an air fryer. Preheat the air fryer to 360°F (182°C) and cook the brats for 18-22 minutes, turning them halfway through to ensure even cooking. Make sure the internal temperature reaches 160°F (71°C) before serving.
Preheating the air fryer is recommended for even cooking and better browning. Preheat at 360°F (182°C) for 3-5 minutes before placing the brats in the basket.
It is not necessary to pierce or slice Johnsonville brats before air frying. Piercing can cause the juices to escape, resulting in a drier brat. Cook them whole to retain flavor and moisture.
Cooking time depends on whether the brats are fresh or frozen. Fresh brats typically take 12-15 minutes at 360°F (182°C), while frozen brats take 18-22 minutes. Always flip the brats halfway through cooking for even browning.
Adding oil is optional. Johnsonville brats have sufficient fat content, so they can cook without additional oil. If desired, lightly brush the basket with a small amount of oil to prevent sticking and enhance browning.
The most reliable method is to use a meat thermometer. Johnsonville brats are fully cooked when the internal temperature reaches 160°F (71°C). They should also be golden brown on the outside and firm to the touch.
Yes, you can cook multiple brats, but avoid overcrowding the basket. Arrange them in a single layer with some space between each brat to ensure proper air circulation and even cooking. You may need to increase cooking time slightly if cooking a larger batch.