1) Preheat oven to 400 F.
2) In large casserole dish, spread riced cauliflower & olive oil.
3) Dice tomatoes
4) Slice medallions
5) In bowl, mix green chiles, cream of chicken, vegetables, tomato, pork medallions, garlic powder, black pepper and salt.
6) Spread mixture over riced cauliflower.
7) Top with parmesan and sliced/grated cheddar.
8) Cook covered for 45 min
9) Uncover casserole and continue cooking till cheese is light brown