Hearty TexMex Inspired Chicken Casserole (Low-Carb)

Name: Hearty TexMex Inspired Chicken Casserole (Low-Carb)
Cuisine: American, TexMex
Ingredients: 1 Tbsp avocado oil (olive oil); 1 large red bell pepper (diced); 1 large onion (diced); 6 cups riced cauliflower; 1 x 15oz can crushed tomatoes with juice; 1 cup chicken bone broth; 1 Tbsp ground cumin; 2 tsps chili powder; 2 tsps garlic powder; 2 tsps onion powder; sea salt and ground black pepper (to taste); 4 cups of cooked (shredded chicken); 1/2 cup freshly shredded cheese cheddar or Monterey jack; sliced jalapeño (sliced chili peppers, fresh cilantro, fresh basil, pickled red onion, guacamole, or sliced avocado)