Begin by slicing the Italian sausages into bite-sized pieces, ensuring they cook evenly.

In a large skillet, heat two tablespoons of oil over medium heat until shimmering. Add the sliced bell peppers and onions, sautéing them for about 5-7 minutes.

Add the sliced Italian sausages to the skillet with the sautéed vegetables and cook for approximately 10 minutes, stirring frequently.

Pour in your tomato sauce, stirring gently to combine. Lower the heat to medium and let the dish simmer for an additional 10 minutes.

Once the sausages are fully cooked through and flavors have harmonized, serve the dish hot over mashed potatoes, in a hoagie, or with your favorite sides.