1 Prick bratwurst with fork to prevent them from exploding as they cook. Place in a large stock pot with the onions, butter, and beer. Place pot over medium heat, and simmer for 15 to 20 minutes.  Preheat grill for medium-high heat.
http://allrecipes.com/recipe/14524/wisconsin-bratwurst/
Bring them to a brisk boil but then immediately turn down the heat to a very low boil, more of a simmer than an active boil. Simmer your brats for about 15 to 20 minutes, then finish off on the grill or in a pan with just your brats and a little olive oil to get a nice crispy char and finish.
https://www.bratsandbeer.com/how-long-to-boil-brats/
Some people recommend that you grill your brats first and then poach or simmer the brats afterwards. The cooking times here are about the same but the order is reversed; 5-10 minutes on the grill first then 20 minutes or more simmering.
https://www.bratsandbeer.com/how-long-to-boil-brats/
Plastic basting bottles with brush heads eliminate messy dripping between your bowl of barbecue sauce and the grill. Just fill the bottle, screw on the brush head, and squeeze to release sauce onto the brush. We tried out four bottles, basting grilled chicken.
http://www.kitchenproject.com/german/Bratwurst/stovetop2.htm
1 Place in a large stock pot with the onions, butter, and beer. Place pot over medium heat, and simmer for 15 to 20 minutes. 2  Preheat grill for medium-high heat.  Lightly oil grate. Cook bratwurst on preheated grill for 10 to 14 minutes, turning occasionally to brown evenly.
http://allrecipes.com/recipe/14524/wisconsin-bratwurst/
Go to Previous Step. They may also be cooked in the microwave oven, in a microwave-safe dish. As for the boiling method, you may want to prick them first to keep them from bursting. However you cook or serve them, they taste especially good with Dijon mustard. These directions work well for almost any kind of German sausage.
http://www.kitchenproject.com/german/Bratwurst/stovetop2.htm
We use the term “boil” here but it’s important to note the difference between boiling and simmering. A great basic bratwurst recipe such as our How to Cook Brats in Beerâ guide provides more details but here are the basics, as far as how long to boil brats. You’ll add your brats to a pot or large skillet and add equal parts liquid — either water and beer or just water — until the brats are covered by liquid.
https://www.bratsandbeer.com/how-long-to-boil-brats/
1 Place pot over medium heat, and simmer for 15 to 20 minutes. 2  Preheat grill for medium-high heat.  Lightly oil grate. Cook bratwurst on preheated grill for 10 to 14 minutes, turning occasionally to brown evenly. Serve hot off the grill with onions on hoagie rolls.
http://allrecipes.com/recipe/14524/wisconsin-bratwurst/
1 Prick bratwurst with fork to prevent them from exploding as they cook. Place in a large stock pot with the onions, butter, and beer. Place pot over medium heat, and simmer for 15 to 20 minutes. 2  Preheat grill for medium-high heat.  Lightly oil grate.
http://allrecipes.com/recipe/14524/wisconsin-bratwurst/
Cooking Bratwurst on the Stove , continured...... recipes that I like. on with Stove Top Bratwurst Cooking...... 4. Uncover and brown a bit, over low heat, in the small amount of fat left in the skillet.
http://www.kitchenproject.com/german/Bratwurst/stovetop2.htm
how long to cook brats
It takes 5 to 10 minutes to cook a brat. Cook brats about 5 to 10 minutes. Brats are cooked for 5 to 10 minutes.