Dinner · Part 2 of 3: Instructions
Slow Cooker Balsamic Italian Sausage and Peppers Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 4
Before you start
Before starting, ensure your slow cooker is clean and positioned on a level, heat-resistant surface. Wash and slice your bell peppers into uniform strips and thinly slice your onions. Have your Italian seasoning and balsamic crushed tomatoes measured and ready.
If your sausages are linked together, you may choose to separate them for easier layering, but it is not strictly necessary. Ensure you have a reliable meat thermometer on hand to check for doneness at the end of the cooking cycle.
Ingredients at a glance (5)
- 1 lb Italian sausage links
- 2 cups bell pepper strips
- 1 cup sliced onion
- 1 tbsp Italian seasoning
- 15 oz balsamic crushed tomatoes
Instructions
Initial Assembly
- Prepare the slow cooker basePlace the raw Italian sausage links into the bottom of the slow cooker, ensuring they are arranged in an even layer to promote consistent cooking throughout the process.Look for The sausages should be lying flat at the bottom of the ceramic insert.Tip Ensure the slow cooker is clean and dry before starting to prevent any sticking during the long cooking cycle.
At this stage, you have successfully layered the raw sausages, peppers, onions, and seasoning into the slow cooker. The ingredients should be arranged neatly, creating the foundation for the long, slow braising process. Everything looks fresh and raw, setting the stage for the flavors to meld together as the heat begins to rise inside the ceramic insert.
Braising Process
- Layer the vegetables and seasoningAdd the sliced bell peppers and onions directly over the sausages. Sprinkle the Italian seasoning evenly across the top of the vegetable layer to ensure the flavors distribute well as the ingredients braise.Look for Vegetables should be piled loosely over the meat without being packed down too tightly.Tip Using a mix of colored bell peppers adds visual appeal and a slightly sweeter flavor profile to the finished dish.
- Add the tomato saucePour the balsamic crushed tomatoes over the peppers, onions, and sausages. Cover the slow cooker with the lid and set to cook on low for 4 hours.Look for The liquid should partially submerge the other ingredients to create a rich braising environment.Tip Avoid lifting the lid during the cooking process to maintain a consistent temperature and moisture level inside the slow cooker.
Midway through the cooking cycle, the kitchen will begin to fill with the savory aroma of herbs, onions, and balsamic vinegar. The vegetables will start to release their liquid, creating a bubbling sauce around the sausages.
It is important to leave the lid closed during this phase to maintain the internal temperature and ensure the sausages cook evenly and remain moist.
Final Completion
- Finish and serveOnce the cooking time is complete, verify that the sausages have reached an internal temperature of 160°F (71°C). Remove the sausages carefully and let them rest for at least 3 minutes before slicing and serving with the braised peppers and sauce.Look for The sauce should be thick and aromatic, with the vegetables tender and the sausage fully cooked through.Safe temperature 160°F (71°C) internal temperature (ground meat)Tip Letting the meat rest ensures the juices redistribute, resulting in a much more succulent texture when you take that first bite.
The final phase is marked by the rich, deep color of the sauce and the tender texture of the peppers and onions. The sausages have reached a safe internal temperature and are ready to be removed. The entire house should smell deeply savory, and the sauce should have reduced slightly, coating the back of a spoon with its glossy, flavorful consistency.
Common mistakes
A common mistake is overcrowding the slow cooker. While it may be tempting to pile everything in, ensure there is enough room for the air and steam to circulate. Another error is checking the food too frequently. Every time the lid is lifted, heat escapes, which significantly increases the total cooking time.
Trust the process and allow the appliance to do its work undisturbed until the final hour of cooking approaches. Finally, failing to let the meat rest after cooking can lead to juices running out, making the sausages less succulent.
How to tell it’s done
The dish is ready when the sausages are fully cooked and tender. Use a meat thermometer to check the thickest part of the sausage; it must reach a safe internal temperature of 160°F (71°C).
The vegetables should be very soft, almost melting into the balsamic tomato sauce, and the sauce itself should be thickened and fragrant. If the sausages haven't reached the required temperature, continue cooking for an additional 15 to 20 minutes before checking again.
- Ground meat: 160°F (71°C) in the thickest part
Up next · Part 3 of 3
2 variations · storage & make-ahead · 3 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)