Hello Chloe, making stovetop stuffed peppers is a wonderful tradition, and simmering them directly in seasoned tomato broth imparts fantastic flavor and moisture.
To cook standard bell peppers filled with raw ground beef and rice thoroughly, you will want to simmer them for approximately 45 to 60 minutes.
Here is a clear guide on how to manage the heat and cooking process:
1. Arranging the pot: Place your stuffed peppers snugly upright in the pot so they stay supported during the cooking process. Pour your broth around the peppers until it comes roughly halfway to two-thirds up their sides.
2. Bringing to a simmer: Bring the liquid to a gentle boil over medium-high heat. As soon as it begins boiling, immediately turn the heat down to low or medium-low to maintain a gentle, steady simmer. Avoid a rolling boil, as vigorous bubbling can tear the pepper skins and dislodge the meat mixture.
3. Keeping it covered: Yes, you must keep the pot tightly covered with a lid for the entire duration. The trapped steam is essential to cook the upper halves of the peppers evenly and ensure the raw rice fully hydrates and cooks through to the center.
4. Testing doneness: At around the 45-minute mark, check on them. The peppers should be fork-tender, and an instant-read meat thermometer inserted into the center of the filling should read at least 160 degrees Fahrenheit (71 degrees Celsius). If the filling needs more time, replace the lid and simmer for another 10 to 15 minutes.
Once finished, let them rest off the heat for about 5 to 10 minutes before serving or packing them into storage containers. Best of luck with your batch cooking!