Healthy Jambalaya (Whole30, Low Carb, Paleo)

Name: Healthy Jambalaya (Whole30, Low Carb, Paleo)
Prep time: 10 min
Cook time: 45 min
Total time: 55 min
Cuisine: American, Southern
Ingredients: 1 pound sausage (like Aidell's chicken-apple sausage for Whole30, sliced); 1 1/2 tablespoons olive oil (or avocado oil); 4 cloves garlic (minced); 1 red bell pepper (deseeded and chopped (about 1 1/2 cups)); 1 green bell pepper (deseeded and chopped (about 1 1/2 cups)); 1 stick celery (thinly sliced); 1/2 of one onion (chopped); 1 1/2 - 2 tablespoons Cajun seasoning; 1 teaspoon black pepper; 1/2 - 1 1/2 teaspoons salt; 1/8 teaspoon cayenne pepper (optional); 2 14.5-ounce cans fire-roasted tomatoes (29 ounces total); 1 cup chicken broth; 5 cups frozen cauliflower rice; 1 pound medium raw shrimp (peeled); Green onions (sliced, for garnish); Fresh parsley (chopped, for garnish); Louisiana hot sauce (to serve, optional)