COMBINE all steak seasonings except sesame seeds in a shallow Tupperware. Add steak and swish to coat on all sides. Cover and marinate at least 30 minutes to overnight.
HEAT a grill pan over medium/high heat and spray with olive oil spray. Discard marinade and place steaks on hot grill pan and cook 3-4 minutes, flip and cook an addition 4 minutes.
WHILE steak cooks, add cauliflower florets to a food processor. Pulse until fine. Heat skillet over low heat. Add onion and cook until translucent. Stir in coconut aminos, cauliflower rice, peas, and carrots. Continue to cook 3-5 minutes to soften cauliflower. Stir in cilantro.