Cook the pasta to al dente according to package directions. Drain and rinse with cold water. Set aside.
12 oz. dry rotini pasta
While the pasta cooks, melt and combine the butter and olive oil in a large skillet set over medium heat. Add the onion and bell pepper. Cook for 2-3 minutes until translucent.
2 tbsp unsalted butter, 1 tbsp olive oil, ½ onion, 1 green bell pepper
Stir in the garlic, Cajun seasoning, and salt. Add the chicken and cook for 6-8 minutes or until the chicken is cooked through.
3 cloves garlic, 1 tbsp cajun seasoning, 1 tsp kosher salt, 1 lb. boneless, skinless chicken breasts
Add the chicken broth and use a wooden spoon to deglaze the pan. Add the diced tomatoes and cream cheese. Stir frequently and cook for 5-6 minutes or until the cream cheese melts and a sauce forms.
¼ cup low-sodium chicken broth, 15 oz. fire-roasted diced tomatoes, 4 oz. cream cheese
Stir in the heavy cream, bring to a boil, then reduce the heat and simmer for 2-3 minutes until thick and warmed through.
1 cup heavy cream
Add the cooked pasta and stir to coat. Remove from heat, garnish with chopped green onions, and serve.
3 green onions