Line a sheet pan with parchment paper (easy clean up, people). When your oven has preheated, place the baking dish/brats in the oven and bake at 400 for 10 minutes. Skin bratwurst, cut in small chunks. Roast in preheated oven for 35-40 minutes. After the 10 minutes, turn the brats over and bake for another 6 minutes. Bake your sausages for 20 minutes, then rotate. Bake for another 20 minutes, then check the internal temperature. Add salt and pepper if desired. https://insanelygoodrecipes.com/how-to-cook-bratwurst-in-the-oven Bake at 350 degrees for 1 1/2 hours. Serve bratwurst in the buns and top with the peppers and onions, if desired. Toss vegetables with olive oil and spices. After the 6 minutes, feel free to turn the oven to broil and allow the brats to sit under the hot heat for about another minute to gain that “grill-like” brat. Nestle bratwurst in the vegetables. Other good choices are a 13 x 9 baking pan or a sheet pan. Fry until brown. If you use one of these, line your pan with crinkled aluminum foil for easy cleanup and to trap some of the grease. Spread vegetables evenly on sheet pan. Preheat oven to 400 degrees. https://www.budgetbytes.com/roasted-bratwurst-peppers-onions ... and milk mixture.