Keto Burrito Bowl with Beef and Cauliflower Rice

 lb (450g) ground beef

 tablespoons olive oil

yellow onion, minced

 medium head of cauliflower (or one packet of riced cauliflower)

small can of diced tomatoes, drained

garlic powder

onion powder

paprika

chili powder, optional

 teaspoon cumin

low-sodium vegetable or beef broth

 cups shredded Monterey Jack or Mozzarella

Salt and fresh cracked black pepper