Gather all your ingredients to make the cooking process smoother.
In a large pot, heat olive oil over medium heat. Add the sliced smoked sausage and cook for about 5-7 minutes until browned.
Add diced onion, minced garlic, and bell pepper to the pot. Sauté for about 3-4 minutes until softened.
Add the cooked penne pasta to the pot and stir to combine.
Pour in chicken broth and bring to a gentle simmer. Reduce heat and stir in heavy cream, cooking for 2-3 minutes until sauce thickens.
Add shredded cheddar cheese and stir until melted and well combined. Adjust seasoning if needed.